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Polycab HT cable specification | Cable | Insulator (Electricity)
Polycab HT cable specification
Uploaded by ranjish_007
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L.V. PVC & XLPE POWER CABLES WITH COPPER AND ALUMINIUM CONDUCTOR ■ L.V. PVC & XLPE CONTROL CABLES WITH COPPER CONDUCTOR ■ M.V. POWER CABLES UPTO 33 kV ■ EHV CABLES FROM 66kV TO 220kV ■ M.V. / L.V. AERIAL BUNCHED CABLES (ABC) ■ zERO HALOgEN CABLES ■ FIRE SURVIVAL CABLES (FS) ■ INSTRUMENTATION CABLES SCREENED / UNSCREENED ■ INDUSTRIAL BRAIDED CABLES ■ THERMO COUPLE / COMPENSATINg CABLES ■ LEAD SHEATHED CABLES ■ RUBBER CABLES ■ RAILWAY SIgNALLINg CABLES ■ TELEPHONE CABLES – DRY & JELLY FILLED ■ BUILDINg WIRES – FR / FRLS / FRzH / FRLF / FRFS ■ SINgLE CORE INDUSTRIAL FLEXIBLES – PVC / FR / FRLS / FRzH / HRFR / HR / HR-FRLS / FRLF / FRFS ■ MULTI CORE INDUSTRIAL FLEXIBLE CABLES ■ SUBMERSIBLE FLAT AND ROUND CABLES ■ SUBMERSIBLE WRAPPED WINDINg WIRES ■ COAXIAL CABLES ■ LAN CAT-5E / CAT 6 CABLES ■ WELDINg CABLES ■ SOLAR AC / DC CABLES ■ STEEL BRAIDED CABLES ■	SPECIALITY CABLES – SUITED FOR MARINE / OIL & gAS / EXTREME FIRE CONDITIONS / HIgHLY CORROSIVE ENVIRONMENT / TRAFFIC / AIRCRAFT / SPACE STATION / AUTOMOBILES
● ● ● ● ● ● ● ● ● COMPANY PROFILE MANUFACTURING PROCESS-AT POLYCAB FLOW CHART CONSTRUCTION OF HT CABLES QUALITY ASSURANCE FLAME RETARDANT LOW SMOKE CABLES ADVANTAGES OF POLYCAB CABLES & SELECTION OF CABLES POLYCAB GUIDLINES FOR SELECTION OF CABLES TECHNICAL DATA ■ ■ ■ ■ ■ ● Conductor Resistance Cable Short Circuit Rating Capacitance & Reactance Current Rating Rating Factors 11 13 14 10 2 3 4 5 6 7 8 9
WEIGHT, DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 3.8 / 6.6 KV (E) HT XLPE SINGLE CORE 6.35/11 KV (E) 6.6/6.6KV (UE) HT XLPE SINGLE CORE 11/11 KV (UE) HT XLPE SINGLE CORE 12.7/22 KV (E) HT XLPE SINGLE CORE 19/33 KV (E) HT XLPE SINGLE CORE 33/33 KV (UE) HT XLPE SINGLE CORE 1.9/3.3 KV (E)&3.3/3.3 KV (UE) HT XLPE THREE CORE 3.8/6.6 KV (E) HT XLPE THREE CORE 6.35/11 KV (E) HT XLPE THREE CORE 11/11 KV (UE) HT XLPE THREE CORE 12.7/ 22 KV (E) HT XLPE THREE CORE 19/33 KV (E) HT XLPE THREE CORE 33/33 KV (UE) HT XLPE THREE CORE 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32
HANDLING STORAGE & LAYING OF CABLES IMPORTANT FORMULA DIFFERENCE BETWEEN EARTHED & UNEARTHED SYSTEM
In an on going process to improve Customer Satisfaction Polycab offers a variety of services: •	•	•	•	•	•	Commercially	competitive	prices. Several thousands kilometers of HV XLPE Cables in the voltage range of 6. qualified and dedicated professionals with strong adherence to the quality management system. Technical	Support	for	Applications/	Projects “BASEC CERTIFICATION OF OUR BUSINESS DEMONSTRATES OUR COMMITMENT TO NOT ONLY THE QUALITY OF OUR PRODUCTS. Distribution Systems. OEM’s. Polycab HV XLPE Cables are preferred choice in Power Plants. Petroleum & Oil Refineries. BUT ALSO THE LEVEL OF OUR COMMITMENT FOR CONTINOUS IMPROVEMENT” 2 POLYCAB derives its strength from its customers. A	targeted	stocking	policy. 11KV. Product	development	for	a	changing	market. EPC contractors.6KV. Chemical. 4000 crore turnover in the year 2011 – 12. Reliable	&	consistent	quality. POLYCAB has earned the trust and reputation in India and abroad by winning the customers’ confidence. Polycab has offices all over the country and also has a wide network of authorized distributors and dealers to cater to all the customer segments in India and abroad.COMPANY PROFILE POLYCAB. the Titans of Indian Industry & Consultants / Specifiers. From a modest beginning with Wires and Cables. The manufacturing set up is sourced out from the world renowned Machinery and Technology suppliers with constant upgradation and expansions.	Over	the	years	sincere service and dedication to its Customers has earned the Company distinguished Customers which includes leaders in Sectors like Utilities. POLYCAB has highly experienced. an ISO 9001:2008. Reliable	&	just	in	time	delivery. 22KV & 33KV have been manufactured and are in operation in India and abroad. OHSAS 18001:2004 company is the largest Wire & Cable manufacturer in India with a proven track record of over three decades. POLYCAB CABLE OF 33KV E 3 X 400 SQ. In the manufacture of cables. The fastest growing company in the Indian Cable Industry with consistent growth. Nuclear Power. a competitive edge lies not so much in product innovation as in consistent quality and ready availability. Power Generation. Cement. Polycab’s Daman factory was created to address these key market determinants. Consultants & Specifiers etc. Transmission & Distribution. 3600 crore turnover in the year 2010 – 11 and is set to achieve Rs. ISO 14001:2004.MM HAVE BEEN SUCCESSFULLY TYPE TESTED AT KEMA . Various Utilities. Atomic Energy. Heavy Industries. over three decades ago Polycab set up State of Art manufacturing facilities at Daman in 1996. . The growth of the latter is a prerequisite to the growth of the company and hence customers’ satisfaction	is	its	prime	objective. Polycab group has crossed Rs. Steel & Metal.NETHERLAND (AN INTERNATIONALLY ACCLAIMED TESTING LABORATORY).
and a partial discharge detection test. which comprises an HV withstand. as small as one pico-coulomb. The tests are of short duration. typically 30 minutes.MANUFACTURING PROCESS – AT POLYCAB POLYCAB HV XLPE cables are manufactured at its most modern manufacturing setup in DAMAN. Figure 3 : ULTRA MODERN HV TESTING LAB 3 . In addition an integrated extrusion plant employing a Continuous Centenary Vulcanizing (CCV) process line (Dry Curing Line) is required. (Fig 1) Figure 1 : 6 Nos.Work on HV cables has shown to raise the electric stress of XLPE cables it is essential that the extruded insulation is of high cleanliness without any imperfection. Manufacture of HV XLPE CABLES requires great care and skill at all stages of processing. CCV (DRY CURE) LINES The cable core is triple extruded and crosslinked in the fully enclosed process in which the inner semi-conducting screen. the XLPE insulation and the outer semi conducting screen are applied simultaneously (Fig 2) to the pre-heated cable conductor. Specialized in-line inspection techniques using X-rays are employed to monitor the dimensional accuracy of the extruded core. These tests take place in Polycab’s sophisticated HV Test Lab (Fig 3).Polycab easily met these two criteria by carefully selecting imported insulating materials and by installing 2 CCV lines sourced from world renowned manufacturers. Figure 2 : THREE LAYER COMON TRIPLE EXTRUSION METHOD The final stage of HV cable manufacture is the high voltage test. These examinations confirm the correct levels of dimensional accuracy. and are capable of detecting the defects that initiate partial discharges. Such defects lead to gradual deterioration of the XLPE and eventually breakdown may occur. free of contamination. voids and manufacturing defects. and that the screen interface is smooth.
Binder /Roundness Inner Sheathing (Extrusion*) Quality Checks Type of PVC.. Diameter of Conductor Continuous Triple Extrusion Inner Semicon. 4 . Laylength. Surface Finish. Conductor Resistance. Batch No. Dia over tape. of Armour. Surface Finish. Batch/Lot No. XLPE Insulation Outer Semicon Quality Checks Type of Compounds. Continuity. Overlap. Dia over Sheath. Core Identification Laying –Up / Twisting Quality Checks Core Sequence. details. Color. Core Dia. Coverage. Thickness. Lagging Coverage * Lead Sheath (optional) Storage / Dispatch Cables with FRLS / Zero Halogen Outer Sheath can be supplied against specific requirement.. Hot Set Test Copper Taping Quality Checks Size & Type of Tape. Armour Joint Outer Sheathing Quality Checks Type of PVC.FLOW CHART Conductor Quality Checks No. Thickness of Sheath. Tape Jointing. Dia over Sheath Armouring Quality Checks Armour Dimensions. Size. of Wires. Market /Lot No. Partial Discharge Test Packing / Marking Quality Checks Marking Details. Surface Finish Final Testing Quality Checks Conductor Resistance. Batch/Lot No. Thickness of Sheath. No of Cores.. No. Eccentricit y.. High Voltage Test.
Inner sheath/Bedding 8. Insulation Metallic Screen 6. LSOH to BS:7835.	22	kV	(E) •	11/11	kV	Screened	Cables. FRLS as per IS:7098 Part 2. Flame Retardant Low Smoke (FRLS) and Low Smoke Zero Halogen & Flame Retardant (LSOH) Sheathed HT XLPE cables are also manufactured.	6.6	kV	Screened	Cables.IS:8130 / IEC 60228/ BS 6360. BS:6622.35/11	kV. Conductor 2. IS:7098 Part 2.e. IS: 3975.6	kV	(UE)	•	3. BS:6622. •	19/33	kV	Screened	Cable	i.e. : : : PVC ST 2 as per IS:7098 Part 2. •	3. Armour 9.e.mm	in	Multi	Cores	Cables. Insulation : : : Stranded Class 2 .3kV	(E)	and	(UE)	Unscreened	&	Screened	Cables. BS:7835. * Weights given in the Tables are with PVC Fillers. BS:6622. Outer Sheath : : Flame Retardant (FR).	Screened	Cables	i. IEC:60502 Part – 2. SIZES: •	35	Sq. Conductor Screen 3. IEC:60502 Part – 2. pVC FillerS outer SemiCon StrAnded CompACted Copper / Aluminium ConduCtor St2 pVC inner SheAth St2 pVC outer SheAth 5 .mm	to	400	Sq.mm	in	Single	Core	Cables. Extruded semi-conducting compound – IS:7098 Part 2. Fillers 7.Annealed Plain / Tinned Copper / Aluminium . PVC ST 2.	i. BS:6622.7/22	kV	Screened	Cables	i. Insulation Non-metallic Screen : 5. BS:7835.mm	up	to	1000	Sq. LSOH to BS:7835. IEC:60502 Part – 2.e. Non Hygroscopic PVC * / Polypropelene Fiber to maintain roundness of cable. BS:6622. BS:7835. Extruded semi-conducting compound – IS:7098 Part 2. IEC:60502 Part – 2.	•	35	Sq. BS:7835. 4.CONSTRUCTION OF HT CABLES 1.	33	kV	(E) •	12. BS:7835. IEC-60502 Part-2 and BS-6622 & BS:7835 Xlpe inSulAtion Aluminium wire / Strip Armour inner SemiCon Copper tApe •	33 kV (UE) Screened XLPE Cables as per customer requirement. BS:6622.	11	kV	(	UE)	•	6. BS:6622. IEC:60502 Part – 2. Polycab manufactures following voltage grade cables as per IS-7098[Part-2]. IEC:60502 Part – 2. FR. Copper Wire / Tape or Aluminium Wire / Strip – IS:7098 Part 2. IEC:60502 Part – 2. XLPE – IS : 7098 Part 2.8/6.
Polycab XLPE Cables are tested to ensure high reliability in performance. Short circuit tests on cable conductor and armour are successfully carried at CPRI Bhopal & ERDA Vadodara. QUALITY ASSURANCE TESTING : Polycab is self sufficient to carry out all Routine & Type Tests in its own laboratory. BS:7835 •	Partial	Discharge	Test •	High	Voltage	Test •	Conductor	Resistance	Test. The cable samples are type tested in-house to ensure conformance as to various standards. Continuous process monitoring and post manufacturing tests ensure the compliance to Indian and International Standards. BS:6622. Up-toDate laboratory facilities ensure that quality control requirements are met in full. guarantees the superior quality of POLYCABS products. CM/L-7180366 on cables and ISO 9001 certification by UL. Routine Tests : IS:7098 Part 2. Polycab cables of various voltage grades are type tested at CPRI Bangalore & ERDA Vadodara.QUALITY ASSURANCE Polycabs goal is to have satisfied customers. NON ELECTRICAL TYPE TEST LABORATORY 6 IMPULSE TEST SET UP . It has world class Testing facilities for Routine & Type Tests. USA. The assurance of quality is further ensured by ISI certification No. IEC:60502. Quality assurance consisting of rigorous inspection followed by meticulous process and quality control in all phases. TYPE TESTS: IS:7098 Part 2.	Routine	Tests	are	performed on each manufactured length of cable in Routine Test Laboratory. IEC:60502. A-7913. BS:6622. BS:7835 a) Electrical Type Tests b) Non-Electrical Type Tests c) Special Tests.
Normally all XLPE Cables have an outer sheath of PVC. cinema theatres. III ) Flammability characteristics of cables as per Swedish Standard SS 424 14 75. also fume toxicity and opacity are particularly important as they may cause. I ) & IEC 60332 ( Pt. a) b) c) d) The oxygen index and temperature index of sheath as per ASTM-D 2863. e) f) 7 . besides the obvious danger represented by fire propagation. Determination of smoke generation of outersheath material under fire as per ASTM-D 2843 The measurement of smoke density as per IEC 61034. railways with long sections in tunnels. schools. hospitals. with equally serious consequences for human safety. suffocation intoxication and panic due to reduced visibility. I & II ). Flammability characteristics of cable as per IEC 60332 ( Pt. it does produce highly toxic and corrosive fumes in the event of fire. ships. hotels. Fire Retardant characteristics.FLAME RETARDANT LOW SMOKE CABLES The behaviour of Electric Cables in presence of fire has been a matter of great concern to all Electrical Engineers involved in Generation. Determination of the amount of halogen acid gas evolved during combustion of outersheath materials as per per IEC 60754 ( Pt. Although PVC by itself is flame retarding. Our laboratory is well equipped with latest test equipments to carry out following test requirements. subways. road tunnels. FRLS PVC compound should ensure the following : 1) 2) 3) Minimum smoke emission. Very low toxic and corrosive fumes emission. museums and public premises in general. Class F3. As a matter of fact. Transmission and Utilisation of electric power. in closed and crowded places such as power stations.
However.ADVANTAGES OF POLYCAB XLPE CABLES ●	Higher Electrical Strength Retention ●	Higher Short Circuit Rating ●	Better Electrical . The standards adopted are considering the geographical/climatical conditions and general applications of power for utilities. Customer specific requirements can also be met. 4) Possible overloading duration & magnitude. 1) Maximum operating voltage. All sizes of POLYCAB XLPE cables are designed to standard operating conditions in India and abroad. distribution and generation purposes. 7) Flame retardant properties. Mechanical & Thermal Properties ●	Easy Jointing & Termination SELECTION OF CABLES Power Cables are generally selected considering the application. following factors are important for selection of suitable cable construction required to transport electrical energy from one end to the other. The cables are manufactured conforming to Indian & International cables specifications for XLPE Insulated cables. 5) Route length and voltage drop. 3) Load to be carried. 6) Mode of installation considering installation environment such as ambient & ground temperature chemical & physical properties of soil. 8 . 2) Fault Level.
3 kV (UE).9 / 3. : Unarmoured / Strip Armoured / Round Wire Armoured.mm in 3 Core cables.3.3 kV (E). 10) Length of cable required and drum length. Note : Detailed Leaflet for 66kV & above can be available on specific request .8 / 6.mm to 400 Sq.6 / 6. so it is important that while placing enquiries or orders. 4) Conductor 5) Conductor Material 6) Type of Insulation 7) Type of Inner Sheathing 8) Type of Armour 9) Type of Outer Sheath : Single & Three. : PVC / Flame Retardant / Flame Retardant Low Smoke / Zero Halogen (LSOH).35 Sq. BS-6622 & BS:7835. 3) Number of cores.6. as much information as possible shall be given to Polycab. 12. : Size . 9 .POLYCAB GUIDELINES FOR SELECTION OF CABLES Polycab is manufacturing wide range of cables.35 / 11 kV (E).mm in Single Core Cables & 35 Sq.3. 1) Voltage Grade : 1.3 / 3. : Copper / Aluminium : XLPE : PVC Wrapped / PVC Extruded.6.mm to 1000 Sq.6 kV (E) . 11 / 11 kV (UE). so that the enquiries and orders are dealt quickly and efficiently.7 / 22 kV (E) & 33 kV (E). 33 kV (UE) .6 kV (UE). 45 kV & 66kV 2) Relevant Indian Standard : IS 7098 (Part-2) – 1985 or International standard – IEC-60502 (Part-2).
160 0.0470 0.727 0.0 11.159 0.0 7.0225 Aluminium Ohm/Km 1.868 0. t = duration in seconds I sh = Short Circuit rating for 1 second.3 142.0372 * Conductor meeting requirements of IEC-60228 and BS 6360 can also be manufactured.0221 0.567 0.1 21.C.641 0.7 6.1 71.4 26.6 9.124 0.0283 0.mm 25 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 *Conductor Technical Information for Single Core and Multicore cables conforming to IS-8130 /1984 (Stranded –Class-2) Copper & Aluminium Conductors.0468 0.6 17.mm 25 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 Copper 3.0991 0. 10 .127 0.5 94.343 0.387 0.4 34.1 Nominal Size of Conductor Sq.164 0.247 0.524 0.3 4.10 0.0291 A.443 0.206 0. 6 6 6 12 15 15 15 30 30 30 53 53 53 53 53 Max. 6 6 6 12 15 18 18 30 34 34 53 53 53 53 53 ALU.268 0.3 37.3 XLPE Cables as per IS-7098 (Part-2)-1985 1) Max.82 0.11 0.671 0.20 0.0754 0.196 0.0601 0.5 22.0 13. Table .9 XLPE Insulated Aluminium 2.0366 0.6 28.2 17.324 0.4 3.060 0.410 0. Table .0367 0.0778 0. Resistance at 20° C Plain Copper Ohm/Km 0.4 75. Resistance at 90° C Plain Copper Ohm/Km 0.6 5.130 0. AMPS) Nominal Size Sq. of wires Compacted Round CU.320 0.2 SHORT CIRCUIT RATING FOR 1 SECOND DURATION FOR COPPER AND ALUMINIUM XLPE CABLES (CURRENT IN K.210 0.3 14.0965 0.3 42.0605 0.153 0.4 90.0176 Aluminium Ohm/Km 1.C.495 0.2 59. D. Conductor Temperature during operation: 90° C 2) Max.7 47.125 0.0 114.9 57.1 10.930 0.264 0.0469 0.0362 0.0602 0.100 0.253 0.0774 0. Conductor Temperature during short Circuit: 250° C Formula relating Short Circuit Rating with duration It = I sh √t Where It = Short Circuit Rating for t Seconds.0470 0. Minimum no.CONDUCTOR RESISTANCE The details to the above Guidelines are given in tables.0283 0.54 1.193 0.0769 0.
CAPACITANCE Table .86 0.16 0.57 0.6 & 6.69 0.25 0.51 0.23 0.34 0.14 0.25 0.16 0.31 0.28 0.76 0.7/22 19/33 33/33 11 .25 0.43 0.53 0.27 0.57 0.8/6.33 3.3 & 3.39 0.39 0.18 0.20 0.79 0.88 0.3 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 0.57 6.18 0.31 0.36 0.30 0.73 0.15 0.31 0.35/11 Voltage Grade(kV) 11/11 12.21 0.15 0.20 0.6/6.64 0.88 0.37 0.25 0.20 0.27 0.6/6.34 0.20 0.38 0.23 0.27 0.49 0.19 0.27 0.24 0.25 0.45 0.52 0.33 0.53 0.22 0.35 0.23 0.46 0.39 0.59 0.6 0.30 0.4 CAPACITANCE Approximate Capacitance ( Microfarads/km) For Three Core Cables Size 1.6 & 6.30 0.26 0.15 0.23 0.32 0.31 0.28 0.17 0.34 0.21 0.67 0.3 CAPACITANCE Approximate Capacitance (Microfarads/km) for Single Core Cables Size 1.9/3.46 0.52 0.54 0.7/22 19/33 33/33 Table .25 0.16 0.3/3.42 0.24 0.23 0.25 0.48 0.28 0.63 3.33 0.51 0.20 0.8/6.33 0.31 0.49 0.34 0.3 35 50 70 95 120 150 185 240 300 400 0.19 0.41 0.23 0.30 0.40 0.22 0.81 0.36 0.22 0.24 0.3/3.42 0.25 0.31 0.3& 3.45 0.20 0.55 0.39 0.36 0.43 0.19 0.27 0.20 0.14 0.43 0.23 Voltage Grade(kV) 11/11 12.44 0.29 0.50 0.18 0.80 0.6 6.22 0.37 0.35 0.27 0.43 0.77 0.29 0.33 0.19 0.35/11 0.18 0.49 0.15 0.53 0.16 0.17 0.35 0.9/3.50 0.17 0.36 0.
091 0.076 0.097 0.101 8.093 0.6 & 6.099 0.115 0.093 0.094 0.096 Un-Arm 3.119 0.076 0.109 0.098 0.120 0.078 Voltage Grade(kV) 6.084 0.105 0.112 0.113 0.141 0.115 0.095 0.091 0.119 0.5 REACTANCE Approximate Reactance At 50 Hz( Ohms/km) For Single Core Cables Size 1.REACTANCE Table .090 0.133 0.103 0.116 0.108 0.093 0.101 0.9/3.123 0.105 0.123 0.128 0.133 0.6/6.082 0.073 0.086 0.119 0.082 0.105 0.110 0.095 0.087 0.111 0.125 0.113 0.105 0.077 0.116 0.088 0.134 0.120 0.105 0.107 0.075 0.127 0.130 0.103 0.116 0.3 35 50 70 95 120 150 185 240 300 400 0.085 0.097 0.6 0.129 0.35/11 Arm Un-Arm Voltage Grade(kV) 11/11 Arm Un-Arm 12.121 0.092 0.088 0.089 0.111 0.8/6.103 0.112 0.133 0.107 0.097 0.109 0.099 0.084 0.086 0.137 0.091 0.079 0.117 0.3& 3.108 0.114 0.106 0.105 0.112 0.084 0.078 0.3& 3.101 0.112 0.143 0.081 0.088 0.071 3.083 0.129 0.083 0.104 0.115 0.092 0.117 0.108 0.092 0.119 0.35/11 0.114 0.091 0.089 0.075 0.090 0.079 0.087 0.116 0.101 0.088 0.103 11/11 12.6 & 6.093 0.102 0.096 0.106 0.110 0.091 0.9/3.147 0.112 0.104 0.3/3.100 0.101 0.106 0.095 0.6/6.087 0.083 0. 12 .100 0.6 REACTANCE Approximate Reactance At 50 Hz ( Ohms/km) For Three Core Cables Size 1.126 0.090 0.085 0.100 0.3 Arm 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 0.083 0.087 0.3/3.112 0.104 0.087 0.081 0.086 0.123 0.079 0.106 0.118 0.116 0.085 0.100 0.090 0.094 0.098 0.092 0.125 0.126 0.118 0.092 0.086 0.099 0.131 0.130 0.135 0.114 0.100 0.085 0.091 0.072 0.110 0.115 0.096 0.100 0.118 0.092 0.101 0.118 0.084 0.087 0.122 0.096 0.137 0.081 0.104 0.089 0.101 0.095 0.120 0.097 0.085 0.125 0.107 0.094 0.6 Arm Un-Arm 6.122 0.124 0.077 0.096 0.105 0.099 0.085 0.102 0.078 0.089 0.094 0.124 0.7/22 19/33 33/33 Note: All figures given in various tables are indicative only.131 0.094 0.085 0.130 0.076 0.7/22 Arm Un-Arm 19/33 Arm Un-Arm 33/33 Arm Un-Arm Table .106 0.104 0.110 0.089 0.109 0.140 0.099 0.098 0.104 0.082 0.127 0.104 0.081 0.122 0.108 0.124 0.087 0.102 0.114 0.081 0.096 0.110 0.137 0.096 0.110 0.110 0.8/6.111 0.
under permanent loading conditions. For grouping cables rating factors must be used. The value given in the tables are valid for one circuit in a three phase system under conditions specified. Depth of laying (to the highest point of the cables laid direct in the ground ) 1) 3. to assist operating engineers in selecting cables for safety and reliability. applicable.6 & 11kV Cables : 90 cm 2) 22 and 33kV Cables : 105 cm *Max. Cm/W I a = K X Is in amperes Where . The current carrying capacities mentioned in POLYCAB technical data are intended as a guide.3. I a : Current rating at actual operating conditions (amperes) Is K : Current rating at standard operating conditions (amperes) : Rating factor as. various rating factors are to be multiplied. Basic assumptions and conditions of installation : 1) Maximum Conductor Temperature : 2) Ambient Ground Temperature : 3) Ambient Air Temperature : 4) Thermal resistivity of soil : 90° C 30° C 40° C 150° C. without any risk of damaging the cable or deterioration of its electrical properties. as follows : 13 . Conductor temperature at the end of a short circuit : 250° C To obtain the maximum current carrying capacity of a cable operating at different conditions from the standard.CURRENTS RATINGS POLYCAB RECOMMENDATIONS FOR CURRENT RATINGS: The current rating of power cable is defined by the maximum intensity of current (amperes) which can flow continuously through the cable. 6.
77 0.78 0.RATING FACTORS A).12 20 1.91 45 0.73 Touching 0. Ambient Temp (oC) Rating Factors 25 1.65 0.95 22kV & 33 kV all Size __ 1 0. 6.61 0.88 0. Rating factors for variation in ground temperature.11 150 1.14 30 1.97 0.88 0. Trefoils are separated by two cable diameter horizontally and the trays are in tiers having 300 mm distance. FOR VARIATION IN THERMAL RESISTIVITY OF SOIL Thermal Resistivity of Soil (oCcm/w) Factor 100 1.80 0.98 0.90 B.75 0.72 0.68 45 cm 0.90 0.20 120 1.85 0.96 40 0. Cables laid direct in the ground in horizontal formation.60 30 cm 0.79 0.71 0.03 30 1.3kV.62 0. Ground Temp (oC) Rating Factors 15 1.99 0. No.04 40 1.00 45 0.68 0.68 0.73 GROUP RATING FACTORS FOR SINGLE-CORE CABLES A).95 50 0.81 0.99 0.87 B).79 14 .86 No.81 0. A. 15 cm 0.57 33 kV Cables. of Trefoils in Horizontal formation 2 0.85 0. FOR AIR AND GROUND TEMPERATURE.0 200 0. Rating factors for variation in ambient air temperature.65 0.96 0.82 0.83 0.96 C).89 250 0.08 25 1.88 0.71 0.10 35 1. Cables laid on Racks / Trays in covered trench with removable covers where air circulation is restricted.83 0. Number of trefoils in group 2 3 4 5 Spacing between trefoils 3.61 30 cm 0.76 0.90 0.3 to 22kV cables Touching 0.85 0.67 45 cm 0.80 300 0.81 0.6kV & 11kV all sizes 1 0.81 3 0. FOR DEPTH OF LAYING (CABLES LAID DIRECT IN THE GROUND) Depth of laying (cm) 90 105 120 150 180 or more 3.95 0.72 B).76 0. racks/trays in tiers 1 1 2 3 6 0.88 0.71 0.56 15 cm 0.00 35 0.
79 0.82 0. of cables trays in tier 1 2 3 6 No.69 45 mm 0.95 0. of cables in group 2 3 4 5 6 Distance of cables Touching 0.66 D) Cables laid direct in ground in horizontal formation No.93 0.94 0.90 0.69 0.92 0.81 0.79 6 0. No.The clearance between the wall and the cable is 25 mm.80 0.58 0.92 0.84 0. The clearance between the wall and the cable is 25 mm.The cables spaced by one cable diameter and trays are in tiers spaced by 300 mm.72 6 0. As above B.79 0.76 B) Cable laid on cable trays exposed to air .88 0.84 0.83 0. of cables trays in tier 1 2 3 6 No.75 15 .93 0.83 0.74 0. on cable trays where air circulation is restricted.98 0.65 0.90 6 0.85 0.78 0. but c ables laid in open air.95 0.80 0.75 0.81 0.93 0.98 0. No. 1 2 3 6 No.79 0.80 0.69 0.93 3 0.74 0.92 0.90 0. the cables touching and trays are in tiers spaced by 300 mm.RATING FACTORS C).88 0.95 0.76 3 0. of cables trays.61 30 mm 0. racks/trays in tiers 1 2 3 6 No. of cables 1 1 1 1 1 2 0.70 0. The clearance of the cable from the wall is 25 mm.76 0. No.89 0. of cables per tray 1 1 1 1 1 2 0. the cables spaced by one cable diameter and trays are in tiers spaced by 300 mm.87 9 0.76 0.96 0.90 FOR MULTI-CORE CABLES: A) Cables laid inside concrete trench with removable covers.73 0.88 0.79 0.86 2 0.85 0.68 9 0.93 3 0.90 0.87 0.81 3 0.75 0.83 0.77 9 0.71 0.54 15 mm 0.90 0.72 0.86 C) Cables laid on cable trays exposed to air.89 0. of Trefoils in Horizontal formation 1 1 1 1 1 2 0.68 0.62 0. of cables 1 0.96 0.78 0. No.69 0.94 0.
4 1. mm mm mm Kg/Km 35 2. Approx.2 2.50 0.30 0.6 2.56 1.4 1. Approx.5 49 54 Kg/Km 450 500 600 750 850 950 1100 1350 1550 1950 2400 2850 3450 4250 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx. of Sheath Strip Outer of Cable Sheath mm mm mm mm Kg/Km 0.56 1.8 0.4 41 5500 630 3.8 2.56 1.6 1.04 mm 20 21 23 24. 185 220 275 340 390 440 510 600 680 790 910 1030 1140 1250 Mtrs. 145 170 215 260 305 345 395 470 540 630 730 840 960 1070 Mtrs.30 0.3 2. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable Sheath Strip Outer of Cable Sheath mm 0.8 54 10450 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.40 0.5 Minimum Thickness of PVC Outer Sheath mm 1.40 1.6 1.40 1.8 / 6. mm 21.5 45.88 1.8 1.88 1.0 2. 30° C.0 20 850 70 2.5 41 44.40 1. 140 160 195 235 265 295 330 380 425 480 530 580 630 670 Amps.50 0.5 49 54 59.30 0.2 37.8 1.5 1300 120 2.8 1.72 1.4 21 900 0.5 26 28 29.40 1.8 0.6 1.5 37 41.30 0.6 2.8 2.0 2. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.8 2.88 2.0 28 2250 240 2.30 0.0 2.5 3.04 55. Thickness Dimesion Thickness Overall Weight of of Inner of PVC Diameter Cable. 40° C.5 2.6 2. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor UNARMOURED CABLE Nominal Nominal Approx. 120 140 175 205 235 260 295 340 385 440 495 560 620 680 Amps.5 49 54 59.8 0.8 1.5 1450 0. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable.30 0.6 1.6 1.4 26 1700 0.50 0.8 2.0 25 1600 150 2.8 2.56 30 2400 0.8 0.4 24.5 2050 0.5 5750 0.20 Approx.8 2.5 2.8 1.6 mm 2.50 0.8 0.5 Kg/Km 550 600 750 850 950 1100 1250 1500 1750 2200 2650 3200 3750 4600 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 1. 155 185 225 265 300 335 380 435 490 550 610 680 740 790 Amps.0 2. Approx.4 2.0 26 1900 185 2.88 50 8700 0. 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.0 2.5 46.40 1. Delivery 30° C.4 1. 500 500 500 500 500 500 500 500 500 500 500 500 500 500 TABLE 8 . Length more than normal as per customer request.72 42.8 0.5 2.4 1.8 0.0 2.mm.5 30 32 35 39 42.30 0.6 1.5 7100 0.5 26 27.56 39 4650 0.56 1.5 50 55.8 3.0 2.4 27.	* Delivery Length tolerance is ± 5 %.8 2.30 0. Delivery Diameter Cable.6 KV (E) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLES “POLYCAB” SINGLE CORE COPPER CONDUCTOR.30 0.5 34.2 2.0 23.0 2.04 2.5 3.56 1.8 0.0 2.40 0.40 0.2 31 2850 300 3.8 2.8 0.56 1.5 22.56 35 3600 0.6 1.40 1.88 1. XLPE INSULATED.8 2.8 2. Approx.0 2.0 2.8 1.8 2.40 1.8 mm 1.8 0. XLPE INSULATED. 105 125 155 180 205 230 260 300 335 380 430 480 530 580 Amps.5 37 41.88 2.56 1.8 2.40 1.5 37.60 0.8 0.8 2.56 1. Approx.72 1.5 Kg/Km 850 1000 1250 1550 1800 2150 2550 3200 3850 4950 6050 7350 9250 11350 Amps. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Sheath Cable Sq.6 1.0 2.5 31.0 2.5 31.5 34.40 0. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 7-3.8 mm 19 20 22 23.mm.4 44.8 2.40 0.8 1. Diameter Cable Length of Cable mm 21.5 3.0 3.56 32 3000 0.8 1.4 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C. 500 500 500 500 500 500 500 500 500 500 500 500 500 500 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 2. Length of Cable.30 0.6 KV (E) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.56 1.20 Approx.6 1.56 1.72 1.50 0.5 3450 400 3.WEIGHT.88 2.8 0.5 4450 500 3.30 0.04 2.0 2.8 1.2 2.3.0 19 670 50 2.40 0.4 1.56 1.6 1.8 1. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C. Approx.6 1.5 25 26 28 31 33.30 0.4 23 1150 0.30 0.8 1.5 22.60 mm 0.8 0.30 0.5 Minimum Thickness of PVC Outer Sheath mm 1.5 Kg/Km 620 700 800 950 1050 1200 1400 1700 2000 2450 2950 3450 4300 5150 Amps.5 24.0 2.8 1.6 2.6 49 8450 1000 3.88 46.5 2.40 1.8 / 6.0 22 1050 95 2.5 2. Insulation Outer of Sheath Cable mm 2.5 24.8 2.4 1.5 10800 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 1.2 33.40 1.0 2. 16 .5 26 28 29.50 0.3 3. 40° C.4 20 750 0.8 2.5 6750 800 3.6 1.5 45.8 1.56 1.0 2.
6 3.40 1.88 2.72 1.0 32.6 3.40 1.5 43 46.50 0.6 3.5 44.5 23.56 1.30 0.30 0.60 mm 0.0 2.0 2.0 60.6 3.5 33. Length of Cable mm 23.0 40.0 2.88 2. 40° C. 500 500 500 500 500 500 500 500 500 500 500 500 500 500 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance. 120 140 175 205 235 260 295 340 385 440 495 560 620 680 Amps.8 0.6 1. XLPE INSULATED. 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.2 2.30 0.0 2.6 2.6 3.88 1.6 1.0 25. of Sheath Strip Outer of Cable Sheath mm 0.0 40.8 0.6 1.56 1.04 2.4 2.6 mm 2.6 3.5 2.40 1. 6.5 26.8 mm 21.50 0.6 3.4 2.56 1. 35 50 70 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.5 22 23.40 0.88 1.6 1.6 2.0 47.5 46.40 1.0 37.40 1.5 48.0 2.8 0.0 2.6.0 30.56 1.20 Approx.6/6.04 2.4 1.8 0.2 2.40 0.0 55.0 30.4 1.2 2.40 0.6 3.40 0. 500 500 500 500 500 500 500 500 500 500 500 500 500 500 TABLE 10 .8 0.5 36.5 27.0 35.6 3.72 1.2 2. 145 170 215 260 305 345 395 470 540 630 730 840 960 1070 Mtrs.mm.4 2.40 1.5 Kg/Km 650 700 800 950 1050 1200 1400 1600 1850 2250 2650 3200 3800 4600 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 1.8 0.4 1.0 2.30 0.0 2.5 50.5 Kg/Km 550 600 700 800 950 1050 1250 1450 1650 2000 2450 2900 3500 4250 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.0 31.0 25.8 mm 1.6 3.6 3.5 35.6/6.8 0.88 1. 40° C.mm.6 2.5 Kg/Km 950 1110 1350 1650 1950 2250 2750 3350 3950 5050 6100 7350 9250 11350 Amps.30 0. Length more than normal as per customer request.5 34 34.5 55.5 43 53 58.5 46.3 25 27 28 30.5 37.30 0.56 1.5 33.5 33.56 1.04 mm 23.6 KV (UE) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLES “POLYCAB” SINGLE CORE COPPER CONDUCTOR.5 29.56 1.40 0.6 3.8 0. 6. 17 .30 0. Diameter Cable Length of Cable mm 24. Delivery 30° C.30 0.6 3.0 2. 185 220 275 340 390 440 510 600 680 790 910 1030 1140 1250 Mtrs.56 1.20 Approx. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.8 0. Approx.6 3.0 2.6 3.0 2.0 2.5 36 38 41.40 1. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 9 .40 1.0 42.6 3.72 1.0 55.6 3.88 2.56 1.0 2.0 2.0 35.8 0.5 27.6 1.30 0. 105 125 155 180 205 230 260 300 335 380 430 480 530 580 Amps.4 1.0 2.6 3. Approx.4 1.8 0. Approx.0 37. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Sheath Cable mm 3.56 1.8 mm 20. Approx.30 0.5 25.5 24.5 Minimum Thickness of PVC Outer Sheath mm 1.40 0.6 1.4 1.5 Kg/Km 750 800 950 1050 1200 1350 1600 1850 2100 2550 3000 3450 4300 5150 Amps.6 3.40 0.WEIGHT.56 1.0 2.50 0.40 0.6 3.6 3.56 1.0 31. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.35/11 KV (E).6 3.8 0.56 1.50 0.72 1.0 43.6 3.0 2.8 0.30 0.6 1.50 0.6 mm 2.0 2.8 0.0 39.2 2.8 0.2 2.5 44.0 2.0 29.56 1.0 28.8 0.8 0.0 2.6 3.35/11 KV (E). Approx.0 Kg/Km 750 900 1150 1400 1650 1950 2400 2900 3500 4500 5500 6800 8450 10450 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.5 29.5 53.8 0.56 1.5 51.4 1.56 1.6 KV (UE) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.5 41 44.56 1.5 27.4 1.5 56.72 1.5 26.8 0.5 50.4 1. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Sheath Cable mm 3.56 1. Sheath Strip Outer of Cable Sheath mm 0.8 0. Thickness Dimesion Thickness Overall Weight of of Inner of PVC Diameter Cable.2 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.0 40. XLPE INSULATED.	* Delivery Length tolerance is ± 5 %.5 2.72 1.2 2.5 29.5 Kg/Km 850 1000 1250 1550 1800 2150 2550 3100 3700 4750 5800 7100 8750 10800 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 1.8 0.4 2. Delivery Diameter Cable 30° C.50 0.8 mm 1.0 24.04 mm 23.0 50.5 33. Approx.8 0.5 Minimum Thickness of PVC Outer Sheath mm 1.30 0.0 24.8 0.6.6 1.88 1.0 2.0 2.6 3.0 2.8 0.6 1.6 1. 155 185 225 265 300 335 380 435 490 550 610 680 740 790 Amps.5 38.6 3.0 2.8 0.0 24.60 mm 0.4 1.5 28 30 31.8 0. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable. 140 160 195 235 265 295 330 380 425 480 530 580 630 670 Amps.6 2. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.88 2.
88 2.0 2. XLPE INSULATED.72 44.5 7400 2.56 1.0 31 32.8 1.8 2.5 42 45 48.30 0.56 35.5 2.0 1.04 52.11 / 11 KV (UE) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLES “POLYCAB” SINGLE CORE COPPER CONDUCTOR.5 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.WEIGHT.6 50.0 9150 2.56 1.8 mm 28 29.5 Kg/Km 1150 1350 1500 1650 1850 2150 2400 2900 3500 4050 4800 5650 Amps.0 4250 500 490 425 680 0.6 2.8 1. 155 180 205 230 260 300 335 380 430 480 530 580 Amps.0 7950 500 680 580 1030 0.8 0.50 0. Approx.5 2.4 2.56 37. Approx.0 1.8 1. 18 .56 1.04 55. Sq. Delivery Diameter Cable 30° C.5 35.0 1.56 1.0 2600 500 335 295 440 0.0 1.40 0. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable.40 0.0 1.50 0.0 2750 2. 175 205 235 260 295 340 385 440 495 560 620 680 Amps.5 2.56 34.8 1.2 61.72 41. Sheath mm 0.2 35.36 65.5 33.56 1. Delivery of Inner Strip of PVC Diameter Cable.50 0.8 0.72 1.5 33 34.56 1. Length of Cable mm 31.8 2.0 2.0 2.5 34 36 38 40.0 2250 500 300 265 390 0.0 5100 2.88 1.30 0.56 36.0 3650 435 380 600 0.30 0.72 42. Approx.0 1950 500 265 235 340 0.2 32.5 3150 300 5.56 37.6 2.5 5.8 0. 70 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.40 0.40 0.5 36 38 41 43 46.5 5.8 1.56 32.0 7100 800 5.5 2.88 47.5 58. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.8 1.56 1.5 38. Round Outer of Cable. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 11 . Amps.72 45.0 3350 2.5 31.56 1.04 2.2 2. Length. 0.56 1. Insulation Outer of Sheath Cable mm 5.0 4800 500 5.0 8850 1000 5.56 39.0 6100 2.2 37.5 5.0 1900 150 5.0 2. Nominal Minimum Approx.72 1.2 2.2 39.0 2400 2.04 56.5 mm 2.5 44 47 50.5 2.40 0.5 59.4 2.5 2.5 2050 2.0 3000 500 380 330 510 500 0.04 2. 40° C. Approx.8 1. Length more than normal as per customer request.8 0.72 1.5 2600 240 5.40 0. 215 260 305 345 395 470 540 630 730 840 960 1070 Mtrs.5 5.2 60.50 0.5 5. 40° C. Insulation Outer of Sheath Cable. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor UNARMOURED CABLE Nominal Nominal Approx.5 2. mm mm mm Kg/Km 70 5. of of PVC Diameter Cable.4 43. Approx.5 Minimum Thickness of PVC Outer Sheath mm 1.88 48.72 1.0 1500 1.0 1550 120 5.0 11200 2.0 2.56 30. XLPE INSULATED.60 0.8 54.5 36.0 11850 500 790 670 1250 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.5 2.mm. Sheath Wire Sheath mm mm mm mm Kg/Km mm mm mm Kg/Km Amps.8 0.50 0.56 1.0 1.56 39.8 0.5 5.56 31.0 9750 500 740 630 1140 0.5 5.5 3750 400 5. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable.5 5.2 2.0 30.4 46.6 1.	* Delivery Length tolerance is ± 5 %.5 2.5 5.5 5400 500 550 480 790 0. 500 500 500 500 500 500 500 500 500 500 500 500 TABLE 12 .56 33.5 2.40 0.5 57.0 2.8 0. Amps.0 1.8 0.5 2.0 2.5 2. Sheath Strip Outer of Cable.8 59.5 2.5 2.5 5.5 4000 2.2 mm 30.8 1.8 0.8 2.60 mm 0.0 2.5 5.5 2200 185 5.8 mm 1.56 1.5 51 53. Mtrs.11/ 11 KV (UE) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.5 2.5 2.5 54.0 10800 ALUMINIUM STRIP ARMOURED CABLE ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal Minimum Approx. 30° C.8 1.5 1600 500 225 195 275 0.2 2. Approx. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable.36 Approx.5 52.0 5800 630 5.50 0.8 0.2 2.0 1800 2.0 28.5 2.8 1.0 6600 500 610 530 910 0.5 Kg/Km 850 980 1150 1260 1430 1650 1900 2300 2700 3200 3880 4600 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.04 2.5 63. Sheath Outer of Cable.2 33.30 0.40 0.0 2.2 2.88 2.60 0.5 2.40 0.60 0.40 0.5 1300 95 5.8 0.5 Kg/Km 1050 1200 1300 1450 1600 1850 2150 2600 3000 3500 4200 5000 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 1.88 51. In In Duct In Air at *Normal Thickness Dimesion of Thickness Overall Weight of Dimesion Thickness Overall Weight of Ground at at 30° C.mm.
270 310 350 400 470 540 630 730 840 950 1060 Mtrs.8 0.0 48.0 66. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Sheath Cable mm 6.0 mm 32.5 56.0 34.36 Approx.0 35.0 2.0 6. Approx.56 1.0 45.50 0.0 2. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable.72 1. Delivery Diameter Cable 30° C. 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.0 39.5 2.0 6.5 39.40 0.0 6.0 6.5 43.0 2. Delivery Diameter Cable 30° C. XLPE INSULATED.0 49.0 66.40 0. XLPE INSULATED.60 0.0 37.0 51.04 2.2 2. 265 300 330 375 430 480 540 600 660 720 760 Amps.0 41.5 2.0 6.88 2. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable Sheath Strip Outer of Cable Sheath mm 0.04 2.5 Minimum Thickness of PVC Outer Sheath mm 1.72 1.0 35.8 0.12.8 0.4 2.0 58. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 54.60 0.0 62.60 mm 0.40 0.0 54.8 0.8 0.2 2.0 6.50 0.0 40.04 2.6 2.8 0.72 1.0 45.0 6.5 56.0 53.0 2.7/22 KV (E) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.0 2.8 0.0 6.8 0. Approx.0 6.0 37.0 6. Length of Cable mm 36.40 0.2 2. 345 400 450 510 600 690 790 910 1020 1140 1240 Mtrs.8 0.40 0.0 Kg/Km 1650 1950 2250 2650 3200 3850 4900 5950 7200 8950 11000 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.0 6. Approx.04 2.8 3.0 2.0 38.50 0.6 2. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 13 . 40° C. 19 .8 0.2 2.56 1.56 1.40 0.5 2.36 Approx.0 62.8 0.0 6.0 50.4 2.0 53.0 36.56 1.50 0.7 / 22 KV (E) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLES “POLYCAB” SINGLE CORE COPPER CONDUCTOR.0 45.0 51.5 2. Length of Cable mm 36.	* Delivery Length tolerance is ± 5 %.72 1.60 mm 0.0 Kg/Km 1100 1200 1350 1500 1750 2000 2400 2850 3300 4000 4800 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.0 Kg/Km 1450 1600 1750 2000 2250 2500 3000 3650 4150 5000 5800 Amps.0 6.88 1.WEIGHT.72 1. 205 230 260 290 335 380 430 485 550 610 660 Amps.5 Minimum Thickness of PVC Outer Sheath mm 1.5 43.0 35.0 6.56 1.0 49.0 35.8 3.0 47.0 2.0 6. Approx.0 6.5 2.0 2.56 1.0 41.0 41.0 40.40 0.0 48.0 2.0 50.0 37.88 1.0 2.5 Kg/Km 1250 1400 1530 1700 1950 2250 2700 3100 3700 4350 5150 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 2.8 0. Sheath Strip Outer of Cable Sheath mm 0. Approx.0 mm 2.5 57.40 0.0 mm 2.mm.0 6.40 0.2 2.8 0.56 1.8 0.5 57. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Sheath Cable mm 6.5 2.8 0. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 37.72 1.72 1. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.04 2.2 2.56 1.2 2.0 2.56 1.0 6.8 0.50 0.04 2.56 1.0 2.2 mm 33.56 1.5 39.50 0.40 0.0 2.0 61. Approx.2 2.04 2. 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.0 58.0 6.8 0.5 Kg/Km 1850 2150 2450 2850 3450 4100 5200 6200 7600 9300 11350 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 2.12.72 1. 180 200 225 255 290 325 370 420 470 520 560 Amps.8 0.6 2.2 mm 33.0 Kg/Km 2050 2350 2700 3150 3750 4350 5500 6750 8050 9900 12000 Amps.2 2.2 2.8 0.0 39.2 2.88 2.2 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.56 1. 40° C.0 38.04 2.0 6.2 2.0 43.8 0. 500 500 500 500 500 500 500 500 500 500 500 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 61.2 2.56 1.56 1.0 45.8 mm 1.0 41.8 mm 1.56 1. Length more than normal as per customer request.6 2.40 0.mm.88 2.0 34. 500 500 500 500 500 500 500 500 500 500 500 TABLE 14 .0 mm 32.0 36.0 47.88 2.0 61.40 0.56 1.0 2.0 43. 230 260 290 325 370 415 465 520 570 620 660 Amps.0 61.
0 2550 2.2 mm 36. Thickness Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of of Inner of Strip of PVC Diameter Cable of of PVC Diameter Cable Sheath Outer of Cable Round Outer of Cable Sheath Wire Sheath mm mm mm mm Kg/Km mm mm mm Kg/Km 0. XLPE INSULATED. Length more than normal as per customer request.88 1.72 44. 180 200 225 255 290 325 370 420 470 520 560 Amps.88 49.36 2.40 0.8 8.70 0. 20 .2 67.72 1.5 2.8 1.0 2800 0.0 2.2 60.0 8200 2.0 2300 150 8.0 1.0 4350 400 8.36 mm 38.8 2.8 1.2 2.0 10600 0. 200 230 260 290 335 380 430 485 550 610 660 Amps.0 2200 2.4 43.5 Kg/Km 1600 1800 1950 2200 2500 2750 3250 3700 4300 5050 5900 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 2. Length of Cable mm 41 42.5 Minimum Thickness of PVC Outer Sheath mm 1.5 44 46 48. 500 500 500 500 500 500 500 500 500 500 500 TABLE 16 .04 2. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable Sheath Strip Outer of Cable Sheath mm 0.8 8.5 2.88 47.88 1.60 0.50 0.8 8.	* Delivery Length tolerance is ± 5 %. 40° C.0 8800 0.0 11600 ALUMINIUM STRIP ARMOURED CABLE ALUMINIUM ROUND WIRE ARMOURED CABLE Minimum Nominal Minimum Approx. 500 500 500 500 500 500 500 500 500 500 500 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.8 8.8 2.72 44.8 0.72 41.0 5350 500 8.8 0.5 2550 0. Approx. Nominal Thickness Thickness Overall Weight of Size of of XLPE of PVC Diameter Cable Conductor Insulation Outer of Cable Sheath Sq.8 2. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Cable Sheath mm 8.2 39. 95 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.72 1.5 46 48 51.0 2.36 69.40 0.04 56. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: UNARMOURED CABLE Nominal Nominal Approx. Approx. 265 300 330 375 430 480 540 600 660 720 760 Amps. Delivery Diameter Cable 30° C. 230 260 290 325 370 415 465 520 570 620 660 Amps.8 mm 1.0 10000 2.50 0.5 2000 120 8.36 67.0 12100 2.50 0.2 2. Approx.5 41 43.2 37.mm.0 6450 630 8. 270 310 350 400 470 540 630 730 840 950 1060 Mtrs.8 0.5 38 39 42 44 47 50 52.8 0.60 0.5 51 54 59 62 65.8 8.0 1.72 43.8 1.72 1.36 2.6 51.72 1.72 1.04 2.5 40.mm.52 72.4 45.56 39.88 2.2 60.0 3050 240 8.5 7000 800 8. mm mm mm Kg/Km 95 8.6 2.0 6050 0.0 2600 185 8.5 3300 2.40 0.6 2.56 1.8 2.88 49.8 8.60 0.2 2.8 0.60 0.0 4000 2.0 9550 1000 8.0 6800 2.0 4950 0.0 2.36 64. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C. Nominal Minimum Approx.8 3. XLPE INSULATED.0 3650 0.WEIGHT.2 2.8 0.0 2. 40° C.19 / 33 KV (E) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLES “POLYCAB” SINGLE CORE COPPER CONDUCTOR.5 56 60.0 2850 2. Approx. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 1.4 2.50 0.5 3100 0.8 2.72 42.8 mm 2.60 0.8 2.8 8.5 55 59 63 67.8 2.8 2.04 2.0 7350 0.04 2.8 3.8 0.0 3650 300 8.8 3.0 2.4 2.5 2.8 0.8 54.8 57.0 1.8 0.5 2.2 40.72 1.0 4600 2.8 0.0 2.0 2. Approx.40 0.5 2.6 48.8 2.52 Approx.5 2.5 5700 2.0 62.5 2.8 2.2 2.0 3. Approx.8 2.0 2.50 0.40 0. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 15 .5 12750 CURRENT CARRYING CAPACITY In In Duct In Air at *Normal Ground at 30° C.50 0.50 0. Length Amps.88 47.8 8.8 1.8 2. Delivery at 30° C.8 8.8 2.5 71 Kg/Km 1900 2050 2200 2500 2760 3100 3550 4250 4900 5600 6550 Amps.5 65 Kg/Km 1400 1550 1700 1900 2200 2500 2900 3400 3900 4600 5450 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.36 63.8 8.0 2.50 0.60 0.8 2.8 1.8 2. 345 400 450 510 600 690 790 910 1020 1140 1240 Mtrs.40 0.8 1.04 52.04 55.36 2.19 / 33 KV (E) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.70 mm 0.5 4250 0.0 1.04 52.88 2.72 41.
5 9.5 2.04 2.52 2.0 56.8 0.8 0.36 2.5 66.0 76.88 2.8 0.50 0.5 53.4 2.04 2. Approx.36 2.04 2. 300 330 375 430 480 540 600 660 720 760 Amps. Length of Cable mm 45.15 3.5 9.2 2.72 1.0 3.0 55.5 55.33 / 33 KV (UE) HT XLPE SINGLE CORE COPPER CONDUCTOR CABLE “POLYCAB” SINGLE CORE COPPER CONDUCTOR.88 1.0 71.5 9.5 46 48.8 0.2 2.5 9. 230 260 290 335 380 430 485 550 610 660 Amps.5 9.0 2.5 53.5 2. 21 .2 2.5 49.52 mm 42 43. 260 290 325 370 415 465 520 570 620 660 Amps.5 51.5 9. Approx.5 2.5 9. 200 225 255 290 325 370 420 470 520 560 Amps.4 2.6 2.5 49.04 2.5 51 54.72 1.5 9.88 2.5 2.5 60 64 69 Kg/Km 2000 2150 2400 2700 3000 3450 3950 4550 5300 6250 mm 2.72 1. XLPE INSULATED.5 49.60 0.2 2.72 1.2 mm 41. 400 450 510 600 690 790 910 1020 1140 1240 Mtrs. of Conductor Insulation Outer of Cable Sheath Sq.0 Kg/Km 2450 2850 3250 3850 4550 5600 6700 8100 9800 11900 ALUMINIUM STRIP ARMOURED CABLE Minimum Nominal Minimum Approx.0 69.50 0.5 3.0 58.0 Kg/Km 3000 3400 3850 4650 5350 6500 7650 9100 11200 13450 Amps. 500 500 500 500 500 250 250 250 250 200 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 2.0 53.5 9.15 3.04 2.5 58 62 67 Kg/Km 1700 1900 2100 2350 2650 3100 3600 4200 4850 5700 ALUMINIUM STRIP ARMOURED CABLE ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Approx.50 0. 500 500 500 500 500 500 500 500 500 500 Minimum Nominal Minimum Approx.70 mm 0.2 mm 40 41.68 TABLE 18 .2 2. Length more than normal as per customer request.0 3.5 46.5 2.50 0.8 3.52 2.4 2.8 0.0 2. Approx.88 1.5 47. 120 150 185 240 300 400 500 630 800 1000 mm 9.72 1.0 61.0 3. XLPE INSULATED.5 9.8 0.60 0.8 0.5 2.5 9. Approx.5 62.0 47.8 0. Thickness Dimesion Thickness Overall Weight of of Inner of of PVC Diameter Cable Sheath Strip Outer of Cable Sheath mm 0.5 45 48 50 53.15 Minimum Thickness of PVC Outer Sheath mm 1.5 71. 40° C.5 9.4 2.8 0.60 0.5 56.6 2.0 65. Nominal Minimum Thickness Dimesion Thickness Overall Weight of Dimesion Thickness of Inner of of PVC Diameter Cable of of PVC Sheath Strip Outer of Cable Round Outer Sheath Wire Sheath mm 0.04 2.68 Approx.50 0.88 1.60 0.mm.0 2.5 62. 310 350 400 470 540 630 730 840 950 1060 Mtrs.5 60.60 0. Approx.4 2.5 9.8 0.5 9.5 71.5 9.	* Delivery Length tolerance is ± 5 %.5 mm 2. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: UNARMOURED CABLE Nominal Nominal Approx.5 43.8 0.70 mm 0.5 9.5 3.0 Kg/Km 2250 2500 2700 3200 3500 4000 4550 5200 6200 7250 Amps.8 0.88 1.0 58.5 2.0 2.0 65.5 9. Length of Cable mm 45.72 1.60 0.2 2.0 45.8 0.88 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.WEIGHT.5 47.8 3.2 2.8 0.mm.0 3. 120 150 185 240 300 400 500 630 800 1000 UNARMOURED CABLE Nominal Nominal Approx.04 2.2 2. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 17 .15 mm 1. Nominal Size Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable.50 0.6 2.6 2.0 2.0 Kg/Km 2750 3050 3500 4200 4850 5950 7050 8450 10250 12450 ALUMINIUM ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Nominal Dimesion of Round Wire mm 2.5 43. Approx.50 0.50 0.4 2. In In Duct at In Air at *Normal Overall Weight of Ground at 30° C.40 0. 40° C.8 mm 1.8 mm 1.0 58. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.36 2.40 0.5 50.72 1.40 0.8 0.5 2.5 mm 2.0 76.52 mm 43. Thickness Thickness Overall Weight of of XLPE of PVC Diaeter Cable Insulation Outer of Cable Sheath mm 9.33 / 33 KV (UE) HT XLPE SINGLE CORE ALUMINIUM CONDUCTOR CABLE “POLYCAB” SINGLE CORE ALUMINIUM CONDUCTOR.0 55.40 0.8 0.72 1.04 2. Delivery Diameter Cable 30° C.0 64. Delivery Diameter Cable 30° C.8 0.88 2.36 2.5 9.0 44.8 0.
1.68 2.88 2.2 2.5 38.8 0.2 2.2 2.5 42.2 2. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 19 .5 0.8 0.04 2.6 2.7 0. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 2.52 2.36 2.72 1.0 51.8 0.5 2.0 70.5 43 46.8 0.04 2.3 (UE) KV HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.72 1. 97 115 140 165 190 210 240 275 310 350 Amps.0 Kg/Km 3250 3800 4750 6150 7200 8350 9800 11800 14850 18450 Amps.mm.15 3.2 3.5 59.2 2.0 68.5 Kg/Km 1950 2200 2650 3150 3650 4100 4800 5750 6650 8100 mm 2.5 0.5 58.2 2.0 76.2 2.5 2.68 mm 37.8 0. 500 500 500 500 500 500 500 500 500 250 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 2. Nominal Minimum Approx.2 2.0 2.0 2.8 0.5 50.6 0.0 3.88 2.5 56.7 mm 2. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.9/3.0 55.7 0. Approx.5 60.4 2.0 2.36 2.5 67 75 mm 1500 1700 2150 2600 3000 3500 4150 4900 5850 7300 mm 0.8 0.5 63 68 74.7 mm 2.5 61 66 72 79 Kg/Km 2600 2900 3450 4400 5000 5550 6350 7350 9250 11000 Amps.0 3.68 mm 37.3 KV (E) & 3. 145 170 210 250 280 310 350 400 445 500 Amps.2 2.2 2. Approx Nominal Minimum Approx.2 2.5 63.68 2.2 mm 0.5 2.5 2. Approx Nominal Minimum Approx.04 2.0 39.36 2. UNARMOURED & ARMOURED SCREENED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.2 2.5 0. XLPE INSULATED.2 2.7 0.88 2.5 3.72 1.5 51.52 2.8 0.04 2.0 40.6 Kg/Km 38.3 KV (E) & 3.8 0.5 0.0 75. 165 195 240 295 335 380 430 500 510 650 Mtrs. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.5 46 50.04 2.72 1.0 3.15 3.2 mm 0.5 48.84 mm 40.5 70.5 2.0 78. 22 .56 1.04 2.4 0. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.0 65.3/3.72 1.2 2. Approx.5 53 57.2 2.5 47.5 2.6 0.6 2.0 3.0 44.8 0.2 2.5 0.1.56 1.8 0.8 3.36 2.0 39.2 2. Thickness 40° C.5 41. 500 500 500 500 500 500 500 500 500 500 TABLE 20 .2 2.8 0.4 2.72 1.8 3.8 0.3/3.0 mm 2150 2650 3450 4350 5250 6300 7600 9350 11400 14750 mm 0.5 Kg/Km 2600 3150 3950 4950 5900 6900 8250 10250 12250 15550 mm 2. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.8 0.5 52. Approx.	* Delivery Length tolerance is ± 5 %.WEIGHT.0 2.72 1. Nominal Minimum Approx.6 0. XLPE INSULATED.3 KV (UE) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR.8 mm 1. 125 150 190 230 260 295 335 395 450 520 Mtrs.04 2.5 53.2 2.2 2.5 2.15 mm 1.8 0.2 2.8 0.36 2.88 2.7 0.5 2.0 47. 115 130 160 190 220 245 275 315 355 400 Amps.mm.2 2.8 0.4 0.5 0.2 2. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.2 2.15 mm 1.2 2.6 Kg/Km 36. Thickness 40° C.8 mm 1.0 2.6 2.4 0.72 1.5 43 46 48. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 2.8 0. UNARMOURED & ARMOURED SCREENED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.36 2.5 54.5 3.6 0.5 53 57. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.84 mm 39.0 82.5 62.2 2. 125 150 180 215 240 270 305 350 390 440 Amps.6 2. Approx.04 2.9/3.5 55.4 0.2 3.0 64. Length more than normal as per customer request.5 44.
5 3.8 0.5 2.8 0.mm.8 0.7 0.04 2.8 2.8 0.8 2.5 60.2 2. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct In Air at *Normal Thickness Nominal Approx. Thickness 40° C.3.72 1.6 2.72 1.2 3.0 67.5 57 59.5 55.0 2.88 1. XLPE INSULATED.8 0.5 54 56. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq. 40° C.2 2.8 2. 500 500 500 500 500 500 500 500 250 200 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.5 68 71.5 Kg/Km 2800 3200 3700 4700 5400 5900 6700 8600 9900 13200 Amps.7 0.84 mm 40.0 83. Approx Nominal Minimum Approx.0 2.20 2.52 2.15 4.0 mm 1.7 0.8 0.8 0.2 2.72 1.68 3. Delivery of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI Round of PVC Diameter Cable 30° C.0 Kg/Km 3450 4150 5000 6500 7600 8700 10150 13050 15450 20650 Amps.8 0. 23 .8 3.5 41.4 3.6 0.5 48 52.0 50.04 2.36 2.8 0.8 2. 97 115 140 165 190 210 240 275 310 350 Amps.6 2.15 3. 125 150 180 215 240 270 305 350 390 440 Amps. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.0 3.52 2.8 0.5 46 49.4 2.0 3. Inner Length Insulation Outer of Cable Strip Outer of Cable Wire Outer of Cable Sheath Sheath Sheath Sheath mm 2.8 2.5 0.8 0.5 2.8 0.8 2. 500 500 500 500 500 500 500 500 500 500 TABLE 22 .2 2.0 42.5 2. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable.8 mm 1. 165 195 240 295 335 380 430 500 570 650 Mtrs.5 63.5 49. 125 150 190 230 260 295 335 395 450 520 Mtrs.2 2. 145 170 210 250 280 310 350 400 445 500 Amps.8 2.6 2.84 mm 40. Length more than normal as per customer request.8 0.5 47.0 58.0 58.6 0.0 66.0 42. 115 130 160 190 220 245 275 315 355 400 Amps.8 2.0 Kg/Km 2850 3400 4250 5200 6200 7250 8600 10550 12750 16400 mm 2. Nominal Minimum Approx.5 80 Kg/Km 2200 2500 3000 3400 4000 4500 5150 6100 7160 9000 mm 2.3 mm 0.8 3.52 2.0 mm 2250 2850 3650 4550 5500 6550 7850 9800 11900 15400 mm 0.8 2. Approx.7 mm 2.8 2.8 Kg/Km 40.8 0.5 0.0 47.0 2.4 0.0 mm 1.0 3.5 73.88 2.0 2.5 45.36 2.	* Delivery Length tolerance is ± 5 %.20 2.0 78.8 mm 1.88 1.88 2.2 3.5 49 53 56 61 65 71 80 mm 1600 1950 2350 2800 3300 3800 4400 5300 6300 8000 mm 0. Approx Nominal Minimum Approx.5 61.0 mm 43.2 2.5 0.0 2. Nominal Minimum Approx.5 0.5 76 86.04 2.6 0.0 74.8 0.8 0.72 1.0 3.8 2.0 2.8 0.8 3.3.3 mm 0.4 3.8 2.8 2.0 43.4 0.72 1.0 45.15 4.5 2.2 2.5 2. XLPE INSULATED.88 2.5 2.5 70.5 54.2 2.8 3.5 0.0 mm 42 44.36 2. Thickness of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at at 30° C.0 68.0 73.04 2.8 2.6 2.88 2.6 KV (E) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.68 3. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.WEIGHT. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.88 1.0 62.5 89.0 58. Approx.36 2.5 3. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 21 . Approx.0 63.8/6.6 KV (E) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR.8 0.7 0.6 0.6 0.6 0.72 1.4 2. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.88 1.15 3.8 2.8 2.0 51.mm.52 2.5 0.8 / 6.5 82.8 Kg/Km 38.7 mm 2. Approx.0 55. Sheath Sheath Wire Sheath mm 2.
8 0.0 66.5 54.8 Kg/Km 43.0 71.0 mm 1.8 2. 125 150 190 230 260 295 335 395 450 520 Mtrs.72 1. 165 195 240 295 335 380 430 500 570 650 Mtrs. XLPE INSULATED.6 3.5 0.6 3.0 76.0 61.0 3.4 3.8 0.52 2.7 0.5 71. Approx.0 71.6 3. 115 130 160 190 220 245 275 315 355 400 Amps.8 0.5 58.0 71.0 mm 1.0 81.8 Kg/Km 43.35 / 11 KV (E) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR.68 2.6 0.8 0.84 mm 44.20 2.5 2.6 3.6 0.5 2.6 3.8 0. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.04 2.5 46.5 2. Approx.5 83.2 2.15 4.15 3.6 3.0 2.8 2.5 83. 125 150 180 215 240 270 305 350 390 440 Amps.5 71.5 50.5 64.6 3.15 3.2 2.0 66.5 53.5 58.8 0.6 3.8 0.5 46.04 2.5 50. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 3.0 2.6 3.0 66.0 Kg/Km 3250 4000 4600 5250 5850 6450 8100 9250 10400 13450 Amps.0 mm 45. 24 .5 mm 2600 3150 3950 4950 5850 6900 8300 10200 12200 15550 mm 0.8 3.7 0.7 0.36 2.04 2.88 2.8 3.2 3.5 2.5 53.5 58. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 0.8 mm 1.6 2.8 0. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.5 76.6 3.0 61.0 Kg/Km 3900 4950 5900 7000 8100 9250 11550 13700 15950 20900 Amps.0 mm 45.36 2.0 3.88 1.8 mm 1.2 2.6 3.15 3.04 2.52 2.5 2.WEIGHT.6 0.84 3.5 76.5 76. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 3.4 2. 97 115 140 165 190 210 240 275 310 350 Amps.8 0.0 76.6 3.72 1.7 0.8 0.0 61.04 2.84 3. Length more than normal as per customer request.5 58.5 54.8 0.15 3. Approx Nominal Minimum Approx.15 4.68 2.5 83.5 50.36 2. Approx Nominal Minimum Approx.52 2. 500 500 500 500 500 500 500 250 250 250 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance. 500 500 500 500 500 500 500 500 250 250 TABLE 24 .88 2.5 0. Approx.5 3.	* Delivery Length tolerance is ± 5 %.0 46.6 mm 0.5 0.20 2.0 61.6 3.6 3. Thickness 40° C.5 2.0 81.6 3.mm. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 23 .5 83.5 54.8 0.88 2.7 0.6 3.5 2.8 0.0 46.7 0.5 64.5 0.5 49. Approx.5 mm 1950 2250 2650 3150 3600 4100 4850 5700 6650 8100 mm 0.68 2.04 2.6.5 50.6 3.5 54.6 3.4 3. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C. XLPE INSULATED.5 0.5 61.6 mm 0.5 Kg/Km 2500 2850 3300 3850 4400 4900 5650 6600 7600 9100 mm 2.6.7 mm 2.8 0.6 2.0 90.7 mm 2.6 0.6 2.20 2.0 66.35 / 11 KV (E) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.5 Kg/Km 3150 3750 4600 5600 6650 7650 9100 11050 13150 16550 mm 2.5 2.6 3.5 61.6 0.5 49. 35 50 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.mm.2 2.6 2. Nominal Minimum Approx.8 0.5 58.8 0.88 1.0 71. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 58. 145 170 210 250 280 310 350 400 445 500 Amps.5 76.5 3.52 2.6 0.4 2.68 2.88 2.36 2.6 3.8 0.20 2.2 3.8 0. Nominal Minimum Approx. Thickness 40° C.0 90.84 mm 44.
Length more than normal as per customer request. 180 215 240 270 305 350 390 440 Amps.84 3.8 0.52 2.0 98.5 67.5 80.8 0.7 0. 160 190 220 245 275 315 355 400 Amps. 500 500 500 500 250 250 250 250 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance. 25 . Approx.52 2.5 5. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.15 3.7 0. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 Kg/Km 5900 7250 8000 8650 9650 10850 13250 15200 Amps.4 3.0 3.5 74.7 0.68 2.5 92.52 2.2 3.5 5.7 0.0 92. Delivery of PVC of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI Round of PVC Diameter Cable 30° C.0 75.5 5.0 85.0 85.11 / 11 KV (UE) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR.6 3. In In Duct In Air at *Normal Thickness Thickness Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at at 30° C.0 Kg/Km 4300 4900 5500 6100 6950 7900 8950 10500 mm 2.5 5.8 0.8 0.0 85. 40° C.0 98.8 0.15 4.5 mm 0. Nominal Minimum Approx. Nominal Minimum Approx.2 3.8 0.5 63.68 2.5 80.7 mm 3.0 mm 2. Approx.5 5.0 4. XLPE INSULATED.mm.5 74.0 3.0 3. Inner Length Insulation Strip Outer of Cable Wire Outer of Cable Sheath Outer of Cable Sheath Sheath Sheath mm 5.52 2. 190 230 260 295 335 395 450 520 Mtrs.68 2.0 mm 3550 4100 4650 5200 5900 6850 7850 9400 mm 0.0 Kg/Km 59.0 85. 210 250 280 310 350 400 445 500 Amps.52 2.5 5.15 3.7 0.6 3.0 85.0 92.8 mm 2.68 2. 500 500 500 500 500 250 250 250 TABLE 26 .5 70.15 3.0 75.0 80.5 5.84 3.0 Kg/Km 5600 6700 7750 8900 10300 12350 14500 17950 mm 2.11 / 11 KV (UE) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.5 mm 0. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 5.5 63. 240 295 335 380 430 500 570 650 Mtrs.5 67.8 0.15 3.6 0.5 72.5 74.36 2.	* Delivery Length tolerance is ± 5 %. Approx.4 3.0 3.5 70.5 67.mm.7 mm 3.0 mm 63.15 3.36 2.0 mm 59.WEIGHT. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 25 .8 4.6 0.5 72.15 3.5 5.84 3. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 5.2 3.5 80.7 0.2 3.0 mm 4900 5900 6900 8000 9300 11300 13400 16850 mm 0.7 0. Thickness 40° C.0 3.5 70.0 3.5 70.15 3.7 0.2 2.36 2.5 5.15 4. 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.5 5.8 0.0 68.0 Kg/Km 59.0 3.6 0.0 68.5 3.36 2. Approx Nominal Minimum Approx. XLPE INSULATED.8 0. Approx.5 63.0 Kg/Km 7150 9000 10250 11450 13100 15350 18850 22650 Amps.5 63.6 0.7 0. 70 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal Nominal Approx. Approx Nominal Minimum Approx.8 0.0 91.8 4.5 74.5 67.0 4.5 5.15 3.5 3.0 3.8 0. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.0 mm 59.52 2.0 91.8 mm 2.4 3.8 0.0 mm 2.0 85.8 0.8 0.5 5.5 5.2 2.36 2.84 3.5 80.4 3.0 80.5 92. 140 165 190 210 240 275 310 350 Amps.7 0.36 2.0 mm 63.
0 70.2 3.0 Kg/Km 66.5 82.7 0.0 mm 71.	* Delivery Length tolerance is ± 5 %.0 70.84 3. 40° C.5 87.5 87.0 6.8 0. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C. 500 500 250 250 250 250 250 TABLE 28 .8 0.4 3.0 6.0 4. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq. XLPE INSULATED.15 3.0 Kg/Km 66.0 4. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 6.7 mm 3. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.8 0.4 3.5 100. 26 .52 2.7 0.0 77.5 82.8 0. 230 265 300 340 400 455 530 Mtrs.0 89. 170 190 215 240 275 310 355 Amps.5 94.0 6.4 3.8 0.7 0.5 mm 6200 7300 8300 9750 11750 13900 17250 mm 0.0 6.0 4.0 93.0 mm 2.0 Kg/Km 7750 8500 9200 10150 12600 13850 15800 Amps.0 72.68 2.5 87.52 2.0 3. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 27 .mm.0 4.7/22 KV (E) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR. Approx Nominal Minimum Approx.0 6.0 77.15 3.12.15 3.0 mm 2.5 94.15 3.15 3.8 0.0 mm 71.0 6.6 3.0 6. In In Duct at In Air at *Normal Thickness Thickness Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C. Approx.0 72.5 82.84 3.0 mm 66.7 mm 3.8 0.5 77.7 0.7 0.52 2. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 6.5 82.0 6.0 6.8 mm 2.0 mm 66.5 mm 4450 5050 5550 6300 7300 8300 9850 mm 0.5 93.84 3.0 70. Thickness 40° C.7 0.5 77. Approx Nominal Minimum Approx.84 3. 300 340 385 435 510 580 660 Mtrs.0 6.36 2.0 6.68 2. Nominal Minimum Approx.5 87.52 2. 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.8 mm 2. Length more than normal as per customer request.68 2.5 77. Approx.5 Kg/Km 5300 5900 6500 7250 8300 9350 10950 mm 3.8 0.0 70. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 82.5 82.5 94.12.0 Kg/Km 9500 10750 11950 13600 17050 19400 23250 Amps.15 4.0 4.7 0.8 0.0 75.mm.5 77.5 100. 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal Nominal Approx.4 3.7 0.7 0.15 4.WEIGHT.7 0. 245 275 305 345 395 440 495 Amps.68 2. 215 245 275 305 350 390 440 Amps.0 3.8 0.0 3.0 75. Approx. 500 500 250 250 250 250 200 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 mm 0.15 3. 190 215 240 270 310 350 395 Amps.8 0. Nominal Minimum Approx.68 2.7 0. XLPE INSULATED.68 2.6 3.0 72.0 3.2 3. Delivery of PVC of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.0 4.68 2.8 4.8 0.0 mm 0.5 94.0 72.0 3. Approx.8 4.7 0.0 89.5 Kg/Km 7050 8150 9300 10700 12750 14950 18400 mm 3.68 2.36 2.7 / 22 KV (E) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.0 3.0 6.
0 105.5 90.7 0.7 mm 3.8 8.0 3.0 83.0 95. Nominal Minimum Approx.0 95.8 0.0 4. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.7 0.5 100.8 0.0 3.8 0.0 4.15 4.0 3. Approx. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 29 .5 mm 6050 6750 7400 8150 9150 10200 11800 mm 0.8 8. Approx Nominal Minimum Approx. Nominal Minimum Approx.8 4.8 mm 2.5 112. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable.0 83.8 0.5 92.7 0.0 105.0 mm 3.5 112.0 mm 3.5 90.5 106.5 100.0 3.0 4.5 Kg/Km 11800 14300 15600 17300 19600 22000 26000 Amps. 215 245 275 305 350 390 440 Amps.0 3.0 mm 84.6 3.0 96.7 0.8 8.19 / 33 KV (E) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.5 95. 27 .0 4.7 0.0 Kg/Km 79.0 3.0 106. 230 265 300 340 400 455 530 Mtrs.8 8.0 3.0 83.84 2.0 3.0 4. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 8.0 mm 84.0 106. Approx.5 101.0 3. Approx.8 8.5 90.7 0.84 2.8 0.7 0.5 Kg/Km 7100 7750 8400 9250 10300 11350 13100 mm 3.0 4.mm.0 mm 79. 250 250 250 250 250 200 200 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.84 3.8 8. 300 340 385 435 510 580 660 Mtrs.0 3.WEIGHT.19 / 33 KV (E) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR. 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.8 8.8 8. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable.0 4. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.0 4.0 3.0 106.0 4.0 4.0 3.5 92.8 8. Sheath Sheath Wire Sheath mm 8.8 mm 2.0 86.7 0.5 90.0 96.0 86.0 4. Thickness 40° C.0 4. XLPE INSULATED.5 Kg/Km 8900 10000 11200 12700 14750 16950 20550 mm 3.0 89.0 3.0 3.0 Kg/Km 79.84 3.8 0.0 4.8 0. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 101.8 0. 500 500 250 250 250 250 250 TABLE 30 . Approx.0 4.8 0.0 3.0 83. 245 275 305 345 395 440 495 Amps. Approx Nominal Minimum Approx.0 3.5 mm 7850 9000 10150 11600 13600 15750 19250 mm 0.8 4.8 0.5 100.0 86.7 0.0 4. Length more than normal as per customer request.0 4. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 86.7 mm 3.0 3.0 mm 79. XLPE INSULATED.mm.8 8.8 0.15 4.0 3. 170 190 215 240 275 310 355 Amps.7 0.0 89.8 0.8 mm 0.0 4. 190 215 240 270 310 350 395 Amps. 30° C.5 100.0 3.5 Kg/Km 10050 12100 12800 13900 15150 16450 18550 Amps.6 3.	* Delivery Length tolerance is ± 5 %. Thickness 40° C.8 mm 0.5 95.8 8.7 0.7 0.8 8. 95 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.0 3.0 4.
5 9.0 106.0 101.0 3. 190 215 240 275 310 355 Amps.0 111.0 mm 3.0 111. XLPE INSULATED.5 91.mm.0 4. 28 .0 4.0 4.7 0.5 9.0 mm 3.5 105.7 0.8 0.8 mm 3. DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES TABLE 31 . 265 300 340 400 455 530 Mtrs.5 100.0 4. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 9.0 3. 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.0 4.0 3.0 3.0 mm 94.0 4.7 0.0 Kg/Km 88.7 0.0 95.5 9. Length more than normal as per customer request.0 101.0 3.7 0.0 4.0 4. Nominal Minimum Approx.0 mm 94.5 117.8 0. Approx Nominal Minimum Approx.8 0. 215 240 270 310 350 395 Amps.8 0.0 4.0 4.8 0.5 mm 7600 8150 8950 10000 11050 12750 mm 0.0 106.0 95.0 3.0 110.5 91.8 0.7 0.0 Kg/Km 14950 16250 18000 20300 22900 26750 Amps.5 105. Approx. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C. 340 385 435 510 580 660 Mtrs.7 0.5 91.WEIGHT.0 3.7 0.8 0. Approx. 245 275 305 350 390 440 Amps.0 3.5 97.0 3.5 9. 250 250 250 250 200 200 The	above	data	is	approximate	and	subject	to	manufacturing	tolerance.0 3. 500 250 250 250 250 250 TABLE 31 .0 4. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.0 110. Thickness 40° C.5 Kg/Km 10850 12000 13550 15650 17900 21550 mm 4.0 4.33 / 33 KV (UE) HT XLPE THREE CORE ALUMINIUM CONDUCTOR CABLES “POLYCAB” THREE CORE ALUMINIUM CONDUCTOR.0 Kg/Km 88.8 mm 3.33 / 33 KV (UE) HT XLPE THREE CORE COPPER CONDUCTOR CABLES “POLYCAB” THREE CORE COPPER CONDUCTOR.5 9. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable. of XLPE of PVC Diameter of Cable of GI Flat of PVC Diameter Cable of GI of PVC Diameter Cable 30° C.8 0.5 mm 0.5 105.5 100.0 4.0 3.0 4.7 mm 4.5 mm 0.0 mm 88.0 3.8 0.mm.7 0.0 3. Delivery of PVC Thickness Overall Weight Dimension Thickness Overall Weight of Dimension Thickness Overall Weight of Ground at 30° C.5 9.5 9. 120 150 185 240 300 400 UNARMOURED CABLE FORMED WIRE / STRIP ARMOURED CABLE ROUND WIRE ARMOURED CABLE CURRENT CARRYING CAPACITY Minimum Nominal In In Duct at In Air at *Normal Thickness Nominal Approx.5 97.0 4. of GI of PVC Diameter Cable 30° C.0 4.0 4.0 3.0 4.5 100.7 mm 4.5 9. 275 305 345 395 440 495 Amps. Inner Length Insulation Strip Outer of Cable Round Outer of Cable Sheath Outer of Cable Sheath Sheath Wire Sheath mm 9.0 Kg/Km 12700 13450 14550 15850 17300 19350 Amps. Nominal Minimum Approx.0 3.0 4.0 3.0 95.0 3. UNARMOURED & ARMOURED CABLES CONFORMING TO IS: 7098 PART-2/1985: Nominal Size of Conductor Sq.5 9. XLPE INSULATED.0 95.0 mm 88.5 117.0 111.0 4.0 3.0 111. Thickness 40° C.7 0.5 100. Approx.0 3.5 91.5 105.0 3. Approx Nominal Minimum Approx.5 9.	* Delivery Length tolerance is ± 5 %.8 0. Approx.5 mm 9800 10950 12400 14450 16650 20150 mm 0.5 Kg/Km 8650 9250 10100 11200 12300 14100 mm 4.
the cable is immediately exposed to damage. A cable end seal is removed or damaged. approach the reel from the flange side. Cables damaged during handling & storage can cause service failures when	the	subject	cable	is	put	to	use. If a fork lift is used. Other freight is stacked on a reel 4. CABLE INSPECTION Inspect every cable reel for damage before accepting the shipment. A reel is lying flat on its side 2. Multiple reels stacked on top of each other (“Pancake” storage) is not recommended for cable drums. Once this breakdown of the drum occurs. hoist or forklift truck Don’ts Never drop reels. Position the forks such that the reel is lifted by both reel flanges. A concentration of stress on the reel flange may cause it to break and subsequently damage the cable. Nails have been driven into reel flanges to secure shipping blocks 5. This may lead to the bending of the reel flanges and mashing the cable When using a hoist. Cable reels should be stored on hard surfaces resting on the flanges edge (flanges vertical). A cable covering is removed. if possible. lower reels carefully using a hydraulic gate. stained or damaged 7. Thus the following is a list of Do’s and Don’ts that should be followed while handling and storing the cables before it is put to use.HANDLING. The weight of the stack can total thousands of kgs. If reels must be rolled. movement of the drum barrel takes place. A reel flange is damaged 6. roll in opposite direction of the cable wraps to keep cable from loosening on the reel. Use a spreader bar approximately 6 inches longer than the overall reel width placed	between	the	sling	ends	just	above	the reel flanges. damage to the reel and/or cable will likely occur when the reel is flipped for transit. Do’s When off loading reels from a truck. Also. Several reels are stacked 3. Care must be taken by the fork lift operator not to make sudden turns or stops. Traffic patterns during off-loading & damage during the time in storage Do not allow the lift forks to contact the cable.	causing	breakdown	of	the	drum	flanges and in exceptional cases. CABLE HANDLING & STORAGE Damage to cables can occur due to the incorrect handling to which the drums and cables may be	subjected. install a mandrel through the reel arbor holes and attach a sling. 29 . Align reels flange to flange and. Be particularly alert for cable damage if: 1. arrange so that first in is first out. Also Consideration should be given to. creating an enormous load on the bottom reel. STORAGE AND LAYING OF POLYCAB CABLES A. A reel has been dropped (hidden damage likely) B.
Thus care should be taken as regards to the following while installation and laying of cables. Care shall be taken during laying to avoid sharp bending. Shaft supported both ends with suitable jacks	/	stands. pipes etc. 30 . INSTALLATION & LAYING Mechanical stresses during installation are generally more severe than those encountered while in service. handling and storage. Review all applicable state and national codes to verify that the cable chosen is appropriate for	the	job. 5. PRE. D. Cable shall be un wound from the drum by lifting the drum on the center. STORAGE AND LAYING OF POLYCAB CABLES C. Under no circumstances the cable winding shall be lifted off a coil or drum lying flat at the flanges. 6. you must identify any existing cable damage and prevent any further damaged from occurring. and twisting. The cable has not been damaged in transit or storage. The cable selected is proper for designed application. Next. RECOMMENDED SAFE PULLING FORCE WHEN PULLED WITH PULLING EYE : a) For Aluminium Conductors : 30 N/mm2 b) For Copper Conductor : 50 N/mm2 DO NOT ATTEMPT “COILING” OF CABLE ON THE GROUND ON THE GROUND CABLE CAN BE FLAKED IN A FIGURE OF EIGHT FORMATION Note: R Minimum Permissible bending radius of cable. following shall be checked prior to installation. 3. E. 1.HANDLING. 2. 1. RECOMMENDED MINIMUM BENDING RADIUS FOR HEAVY DUTY CABLES. RECOMMENDED SAFE PULLING FORCE WITH STOCKINGS: a) For Unarmoured Cable: P = 5 D2 Where P= Pulling Force b) For Armoured Cable : P = 9 D2 Where D= Diameter of cable in mm G.INSTALLATION To ensure safety during cable installation. Polycab recommend the laying and installation of cables as per IS: 1255/84. This would cause serious twist and damages. 4. This is done through proper cable inspection.	Also	consult	your	local	electricity	authority. Single Core : 20 x D Multicore : 15 x D Where D= Diameter of cable in mm F. 2. Suitable protection shall be provided to the cables against mechanical damages. it includes covers.
& 234.S over duration) in Amps. 202 for Steel.004 for XLPE No.0514 0.0642 0. dm = Mean Diameter of Sheath 3) Impedance : Z = (R2 + X2) ½ Ω / km where R X = A.2 loge S 2) Reactance : X = 2π f x L x 10-3 Ω / km where f L = frequency = Inductance = Distance between Cable Centres.2 loge 2S (mH/km) d where K S d = Constant for different stranded conductors = Axial Spacing between Cables & Conductors in mm. 78 for Steel = Area of Conductor in mm2 θ1 = Final Temperature of Conductor or Armour θ0 = Initial Temperature of Conductor or Armour β = Reciprocal of the temperature coefficient of resistance of the conductor per ° C at 0° C (228 for Aluminium. = Duration of short circuit in second = Constant – 226 for Copper.3 D = Dia over Insulation in mm d = Dia over conductor screen in mm * source BICC handbook where 31 .C Resistance at operating temperature Ω / km = Reactance 9) Short Circuit Rating: 2 2 θ1 +β I2 = K S loge T θ0 +β 4) Charging Current : A = Uo x 2π x f x C x 10-6 Amp/km C = Cable capacitance in μf/km 5) Voltage Drop : For 3 Core Cables : √3 x Z mv/A/mtr For 1 Core Cables : 2 x Z mv/A/mtr where Z = Impedance in ohm/km where I T K S = Short circuit (R.5 for Copper) 6) Capacitance: C= Er ( µf / km) 18 loge (D/d) Er = Relative Permitivity for XLPE : 2.M.0528 0.IMPORTANT FORMULAE IMPORTANT FORMULAE * TO CALCULATE VARIOUS ELECTRICAL PARAMETERS OF CABLES 1) Inductance : L = K + 0. of wires in Conductor 7 19 37 61 and above 1(Solid) 8) Voltage Induced in Sheath : Es = IXm where I = conductor current (A) 2S (mH/km) dm Xm = 2π fM x 10–3 (Ω / km) M = 0.0554 0.0500 7) Dielectric loss in watts per km/phase: 2π f x C Uo2 tanδ 10-6 (watt / km per phase) where C = Capacitance in μf/km Uo = Power frequency voltage between conductor & earth -V Tanδ = Dielectric power factor = 0. = Conductor Diameter K 0. 148 for Aluminium.
N VR EARTH Y B In this case if an earth fault occurs on R phase. More over several mega power stations are connected to grid.DIFFERENCE BETWEEN EARTHEDIUNEARTHED SYSTEM EARTHED SYSTEM: In the initial years. the star point is connected to the earth through a resistance or a reactance as under: Y B R In this system if an earth fault occurs on any of the phases. To reduce the fault current. The star point or neutral point was solidly grounded and this is called earthed system. This is called Unearthed System. In case of an earth fault. If the insulation of these phases are not designed for these increased voltages they may develop earth fault. a heavy current flows in to the fault and this may damage the costly generators and power transformers. the voltage of the faulty phase with respect to the earth (R) appears across the current limiting resistance or reactance in the earth circuit of the star point and as a result the voltage of the star point which was at earth potential under normal conditions rises to VR. Due to this.7 times (Vector sum of VR and VB). 32 . the generators and transformers were having capacities of few MVA and hence fault current was also less. the voltages of other two healthy phases with respect to the earth remain the same. R N UNEARTHED SYSTEM: Today generators of 500 MVA capacity are in commercial use. Due to this the voltages of other two healthy phases (B and Y) with respect to the earth rises by 1. the fault level has increased tremendously.
56. Lajpat Nagar II. 5/2.9/2 Gopalkrishna Road. T-Nagar. Sangam Project.390 007. NEW DELHI .com DELHI : O-13.560 010.com KOLKATA : 1-3. SSI Area. Tel: 080 23102172 • Fax: 080 23102071 • Email : karnataka@polycab. Tel: 044 42022775 / 32969257 • Fax: 044 42022774 • Email : chennai@polycab.com BENGALURU : #104/6. Tel: 033 32929602-3 • Fax: 033 24197706 • Email : pwplkolkatta@polycab.com SECUNDERABAD : 401. PUNE . CHENNAI . BENGALURU . 3rd Floor.com BARODA : 9. SECUNDERABAD . • Tel: 020 26058277 / 30209678 • Email : pune@polycab. Indian Air Lines. Khushbu Corner. A. Alkapuri. KOLKATA . Road.com PUNE : 36. Rajajinagar. Ambedkar Road.Production Facilities at Daman Factory POLYCAB REGIONAL OFFICES CHENNAI : Old No.411 001. S. BARODA . A. Near RTO (PUNE).110 024. 5th Block. 5th Cross. Suryakiran Complex.com . New No. 4th floor.600 017. Tel: 011 29841721-24 • Fax: 011 29841697 • Email : north@polycab. South End Park. D. Off.700 029. Tel: 0265 3252825 • Fax: 0265 3083366 • Email : gujarat@polycab.500 003. Tel: 040 66326228 / 30962600 • Fax: 040 66326229 / 3072355 Email : andhra@polycab. Vishwas Colony.
com . Jan 2012 Tel.4. 18001:2007 Company) Regd. Mahim (W). Fax : 91-22-2432 7070 . (an ISO 9001:2008. 6735 1400 : 91-22-2432 7075 E-mail : enquiry@polycab. Mumbai 400 016. Pandit Satwalekar Marg.polycab. & Head office : Polycab House. 771. 14001:2004. ltd.com Website : www.Wiring the World ® WIRES & CABLES Polyc ab Wires PVt.
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