Hazardous (Classified) Location
Class I / Division 1, 2 / Groups ABCDClass I, Zone 0 (EPL Ga), IIC

Nonhazardous Locations

Hazardous (Classified) Location
Class I / Division 2 / Groups ABCDClass I, Zone 1 (EPL Gb), IIC++--CSA approved Associated Apparatus
or Associated Nonincendive Field
Wiring Apparatus

INTRINSICALLY SAFE
Ex ib [ia Ga] IIC T6…T4 Gb
Class I, Zone 1, AEx ib [ia Ga] IIC T6…T4 Gb
Class I, Division 2, Groups A, B, C, D; T6…T4 (Non Incendive Field Wiring (NIFW))Class I, Division 2, Groups A, B, C, D; T6…T4 – NIFW and Associated Apparatus for Class I,Division 1, Groups A, B, C, D- CSA Approved Associated Apparatus must meet the following parameters:

5364Temperature range:

Sensor circuits (Terminals 3…6):

T4-50°C ... +85°C

Uo or Voc or Vt = 4.3 V

Io or Isc

= 4.8 mA

Po = 5.2 mW

T5-50°C ... +58°C

Group A, B resp. IIC

Co or Ca= 100 µF

Lo or La = 10 mH

Uo £ Ui
Io £ Ii
Po £ Pi
Ca ³ Ci + Ccable La ³ Li + Lcable
Transmitter entity parameters are as follows:Ui or Vmax £ 30 V DC
Ci = 0Ii or Imax £ 100 mA
Li = 0Pi£ 700 mW- Voc + Voc of Handheld device < Vmax, Isc + Isc of Handheld device < Imax,
Po + Po of Handheld device < Pi, Ca > Ci + Ccable + Ci of Handheld device,
La > Li + Lcable + Li of Handheld device, when Programming Handheld device is used.
- WARNING: SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY.
AVERTISSEMENT: LA SUBSTITUTION DE COMPOSANTS PEUT COMPROMETTRE LA SÉCURITÉINTRINSÈQUECONDITIONS OF ACCEPTABILITY- Due to the risk of discharge the non-metallic parts of the equipment and of all non-metallic
Group C, D resp. IIA
Co or Ca= 10 µF
Lo or La = 1H
accessories have to be protected from electrostatic charging during installation and operation(e.g. only wipe with damp cloth and do not expose to high voltage fields).
- These models are provided without enclosure. They shall be installed within a suitable end-use
enclosure, providing a degree of protection of not less than IP20 according to CSA/UL 60079-0
Applicable requirements see CSA certificate 70187832
and CSA/UL 60079-11. The ambient temperature within the end-use enclosure shall not exceed
the limits of the permissible ambient temperature range. Clearances, creepage distances andInstallation Notes TMT71, TMT72, L20221 and L20222
separations as defined in CSA/UL 60079-11 must be considered for the installation. The final- CSA approved apparatus must be installed in accordance with manufacturer’s instructions.
combination shall be subjected to acceptance of the local authority having jurisdiction.
- Install per Canadian Electrical Code or National Electrical Code (NFPA 70).
- The equipment is for use under atmospheric conditions only, the permissible pressure range is- Use supply wires suitable for 5°C above surroundings.
0.1 to 1.1 bar (80 to 110 kPa) and the permissible normal oxygen content is typically 21 % v/v.
- Stating that only simple apparatus should be terminated to the sensor connection.
- In hazardous area it is not permitted to use the CDI interface for configuration.
Simple apparatus is defined as a device that will neither generate nor store more than 1.2V, 0.1A, - Only simple apparatus shall be connected to the sensor terminals. Simple apparatus is defined as
0.25mW or 20µJ. Examples are Thermocouples or RTDs.
a device that neither generates or stores more than 1.2V, 0.1A, 0.25 mW, or 20 uJ. Examples are- WARNING: POTENTIAL ELECTROSTATIC CHARGING HAZARD – SEE INSTRUCTIONS.
thermocouples and RTDs.
AVERTISSEMENT: RISQUE POTENTIEL DE DÉCHARGES ELECTROSTATIQUES – VOIR CONSIGNES. - The end user shall ensure appropriate earthing of the metallic field housing (optional) and all
metallic accessories if used upon installation.
T6-50°C ... +43°C

Group C, D resp. IIB

Co or Ca= 10 µF

Lo or La = 1HPfanzelt

2019-09-04

10000010382

APfanzelt

2019-09-03

iTEMP TMT71, TMT72 andL20221, L20222

1:1

-A4-

71619966

2023-02-02

MP

CONTROL DRAWING CSA
Intrinisic Safety

XA02098T/09/EN/02.23-00

Series1 of 2

Nonhazardous Locations

Hazardous (Classified) Location
Class I / Division 2 / Groups ABCDClass I, Zone 2 (EPL Gc), IIC+apparatus with+ Any
supply voltage:- max. 36V DC-INCREASED SAFETY
Ex ec IIC Gc
Class I, Zone 2, AEx ec IIC Gc
Class I, Division 2, Groups A, B, C, D
- Intrinsic safety barrier is not required. Vmax £ 36 V DC.
- WARNING: EXPLOSION HAZARD - DO NOT CONNECT OR DISCONNECT WHILE CIRCUITS ARELIVE UNLESS AREA IS KNOWN TO BE NON-HAZARDOUS.
- AVERTISSEMENT: RISQUE EXPLOSIF- NE JAMAIS BRANCHEZ OU DECONNECTEZ QUANDLES CIRCUITS INTERNES SONT SOUS TENSION Á MOINS QUE LA ZONE SOIT PAS À RISQUES.

53Functional ratings
These ratings do not supersede Hazardous Location values
Unom £ 36 DC
Inom £ 4 to 20 mA

64CONDITIONS OF ACCEPTABILITY- Due to the risk of discharge the non-metallic parts of the equipment and of all non-metallic
accessories have to be protected from electrostatic charging during installation and operation
Temperature range:(e.g. only wipe with damp cloth and do not expose to high voltage fields).
T4-50°C ... +85°C- For the use as an equipment in type of protection increased safety, and for Zone 2 (EPL Gc),
T5-50°C ... +58°C
and Class I, Division 2 applications, the head transmitter TMT71/TMT72/L20221/L20222
T6-50°C ... +43°C
shall be installed completely inside an additional enclosure, providing a degree of protectionof not less than IP54 according to CSA/UL 60079-0 and CSA/UL 60079-7. The ambient
Applicable requirements see CSA certificate 70187832
temperature within the end use enclosure shall not exceed the limits of the permissible
ambient temperature range. Clearances, creepage distances and separations as defined inInstallation Notes TMT71, TMT72, L20221 and L20222
CSA/UL 60079-7 must be considered for the installation.
- CSA approved apparatus must be installed in accordance with manufacturer’s instructions.
- For the use as an equipment in type of protection increased safety, and for Zone 2 (EPL Gc),
- Install per Canadian Electrical Code or National Electrical Code (NFPA 70).
and Class I, Division 2 applications, the head transmitter TMT71/TMT72/L20221/L20222- Use supply wires suitable for 5°C above surroundings.
shall not be connected or disconnected unless the area is known to be non-hazardous.
- Terminal specification:- If the DINrail transmitter TMT71/TMT72/L20221/L20222 was used in a Zone 2 (EPL Gc) or
Torque Cable version
Cable cross-section
Class I, Division 2 application it is not allowed to use it in Zone 1 (EPL Gb), Zone 0 (EPL Ga) orScrew terminals
0.5Nm Solid or flexible= 2.5 mm² (14 AWG)Class I, Division 1 applications in the future.
Push-in terminals (cable Solid or flexible
0.2 to 1.5 mm² (24 to 16 AWG)
- Final acceptance of this equipment when installed is subject to the jurisdiction of the localversion,
Flexible with wire end ferrules 0.25 to 1.5 mm² (24 to 16 AWG)
inspection authority.
stripping length =with/without plastic ferrule
The end user shall ensure appropriate earthing of the metallic field housing (optional) and allmin. 10 mm (0.39 in)metallic accessories if used upon installation.
- These components do not have any surface that achieves a temperature greater than
- WARNING: POTENTIAL ELECTROSTATIC CHARGING HAZARD – SEE INSTRUCTIONS.
135°C/100°C/85°C with a 5K safety factor when operated under full load conditions at an
AVERTISSEMENT: RISQUE POTENTIEL DE DECHARGES ELECTROSTATIQUES – VOIR CONSIGNES.
ambient of range of 85°C/58°C/43°C respectively.

Pfanzelt

2019-09-04

10000010382

APfanzelt

2019-09-03

iTEMP TMT71, TMT72 andL20221, L20222

1:1-A4-71619966

2023-02-02

MP

CONTROL DRAWING CSA
Increased Safety

XA02098T/09/EN/02.23-00

Series2 of 2