Provisional edition
AC Electronic Loadhttps://global.kikusui.co.jp/

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For load test for various
inverters such as inverter for
Fuel Cell power generation,
UPS inverter, inverter forphotovoltaic generation,and transformer

AC ELECTRONIC LOAD

PCZ1000A●Maximum input load power: 1000 W●Input voltage range: 14 V to 280 V(rms)●Input current range: 0 to 10 A(rms)●Input frequency range: 45 Hz to 65 Hz

Constant Current/Constant Resistance/ConstantPower mode provided.
Useful Crest Factor function is equipped.
PCZ1000A is an AC electronic load that enables you to perform
load simulation for various inverters and transformers.
In addition to the resistive loads generally used in tests, it iscapable of simulating capacitor-input rectifier loads.
The instrument supports input up to 1000 W and is equippedwith 3 operation modes - Constant Current, ConstantResistance, and Constant Power.
Current waveform resemble to sine wave can be output
constantly without effect by voltage waveform at each mode.
Moreover, the instrument is equipped with Crest Factor
function that is suitable for simulating current load test for
switching power supply.
This instrument provides improved operationality throughCPU control and enables external control and read-back via
RS232C.

Crest Factor Function [1.4 to 4.0]
Facilitating load tests for peak or harmonic currents helps reduce
design and labor time and cost as well as improve the quality ofthe unit under test
[ ▬ Voltage waveform ▬ Current waveform ]▲C.F setting value1.4▲C.F setting value2.0▲C.F setting value3.0▲C.F setting value4.0

Specifications
14 Vrms to 280 Vrms
20 Vpeak to 400 Vpeak
10 Arms
Maximum current *2
Input rating (AC)40 ApeakMaximum power *31000 W
Frequency
45 Hz to 65 Hz
Minimum operation start voltage *43 Vpeak
Setting range
0 Arms to 10 Arms
Setting accuracy *6
Within ± (1 % of set + 0.1 A)
Setting resolution
10 mArms
Constant-current (CC) mode *5
Line variations *7
Within 10 mArms
Stability
Input-voltage variations *8
Within 100 mArms
Temperature coefficient (at the rated current)
200 ppm/°C(typical)
1 Ω to 1 kΩH range (Full current at 10 V)
1 S to 1 mS *10
Setting range
10 Ω to 10 kΩ
L range (Full current at 100 V)
0.1 S to 0.1 mS *10
Constant-resistance (CR) mode *9
H range (Full current at 10 V) 1 mS *10
Setting resolution
L range (Full current at 100 V) 0.1 mS *10
Setting accuracy(in current terms) *6, *11Within ± (2 % of set + 0.2 A)
Stability
Input-voltage variations *12
Within ± 10 %Setting range
50 W to 1000 W
Setting accuracy *6, *14Within ± 5 % of set
Constant-power (CP) mode *13
Setting resolution
1W
Input-voltage variations *15
Within ± 5 %Setting range
1.4 to 4.0
Crest-factor (C.F) function *16
Resolution
0.1
Master-slave parallel operation
Up to 5 units including master unit
Tracking function
Same current as master unit passes to slave unit
Number of display digits (full scale)
10.00 Arms
Ammeter (RMS display mode)
Accuracy *6
Within ± 1 % of FS
Number of display digits (full scale)40.0 Apeak
Ammeter (peak display mode)
Accuracy *6
Within ± 2 % of FS
Number of display digits (full scale)
300.0 Vrms
Voltmeter
Accuracy *6
Within ± 1 % of FS
Peak overcurrent protection (POCP) *18
Approx. 48 Apeak
Overcurrent protection (OCP) *19
Approx. 11.5 Arms
Overvoltage protection (OVP) *18
Approx. 470 Vpeak
Protection function *17
Overpower protection (OPP)
Approx. 1150 W
Overheat protection (OHP) *20−
Internal circuit protection(FUSE BRK)Internal fuse blown
190 Vrms to 110 (100) Vrms
2108 Vrms to 132 (120) Vrms
Voltage range
180 Vrms to 220 (200) Vrms
(nominal value) *21 3
Input power (AC)4216 Vrms to 250 (240) Vrms
Operation voltage *1

Withstand voltage

Insulation resistance

Temperature and humidity ranges
Dimensions (case)
WeightFrequency
Power consumption (apparent power)
Primary side to casePrimary side to load input terminals
Load input terminals to casePrimary side to casePrimary side to load input terminals
Load input terminals to caseOperating temperature range
Operating humidity range
Storage temperature range
Storage humidity range
430W×400D×128Hmm
Approx. 22 kg (48.5 lb)

50 Hz/60 Hz
MAX 220 VA
1500 Vac for 1 minute1500 Vac for 1 minute
500 Vac for 1 minute1000 Vdc at 20 MΩ or more
1000 Vdc at 20 MΩ or more
1000 Vdc at 20 MΩ or more
0 °C to 40 °C (32 °F to 104 °F)
20 %rh to 85 %rh (no condensation)-25 °C to 70 °C (-13 °F to 158 °F)
90 %rh and below (no condensation)*1*2

Input-voltage range in which the rated input current can flow.
For an input voltage of 100 Vrms or greater, the maximum
current is derated to the rated input power (1000 W).)
*3 For an input voltage of 100 Vrms or less, the maximum
power is limited by the rated input current (10 Arms).
*4 Minimum input voltage at which the input current starts toflow.
*5 The input-current waveform does not change with changes
in the input-voltage waveform. The RMS value of the input
current is kept constant (response rate: approximately 1s).(Response rate: Time required to reach ±10% of thesteady value (value reached 5 seconds or more after statechange))*6 At temperature(23 ± 5 °C)*7 Changes in the input current when variations in the ratedvoltage range are given at an input voltage of 100 Vrms andan input current of 10 Arms, based on the nominal value ofthe input line voltage.
*8 Changes in the input current when the input voltage ischanged from 10 Vrms to 280 Vrms at an input current of 3.57
Arms (rating at an input voltage of 280 Vrms).
*9 The input-current waveform does not change with changes
in the input-voltage waveform. This mode results in an input
current (RMS value) that is proportional to the RMS value ofthe input voltage (response rate: approximately 1 s).
*10 S represents the unit of conductance (siemens).
Conductance [S] = 1/resistance value [Ω]Conductance [S] × input voltage [V] = load current [A]*11 At an input voltage of 100 Vrms.
*12 Changes in the resistance value when the input voltage isvaried from 10 Vrms to 100 Vrms at an input current of 0.5 Aor more.
*13 The input-current waveform does not change with changes
in the input-voltage waveform. This mode results in an input
current (RMS value) that is inversely proportional to the RMS
value of the input voltage (response rate: approximately 1 s).
*14 At an input voltage of 100 Vrms
*15 Changes in the power value when the input voltage is varied
from 10 Vrms to 100 Vrms.
*16. Varies the angular width of the current at the approximate
input-voltage peak, based on a sinusoidal current waveform.
*17 Turns off the LOAD key when the protection function isactivated.
*18 Turns off the LOAD key within 20 ms.
*19 Turns off the LOAD key within 3 ms.
*20 Detects the internal-heat-sink surface temperature to turnoff the LOAD key.
*21 Selectable by Switch position.

Options■ Rack mount bracket
KRB3 (Inch size,EIA standard compatible rack)
KRB150 (Metric size, JIS standard compatible rack)■ Parallel operation cable
PC01-PCZ1000A■Distributor:

1-1-3, Higashiyamata, Tsuzuki-ku, Yokohama, Kanagawa, 224-0023, JapanPhone:(+81)45-593-0200, Facsimile:(+81)45-593-7591, https://global.kikusui.co.jp/■ All products contained in this catalogue are equipment and devices that are premised on use under the supervisionof qualified personnel, and are not designed or produced for home-use or use by general consumers. ■ Specifications,design and so forth are subject to change without prior notice to improve the quality. ■ Product names and prices aresubject to change and production may be discontinued when necessary. ■ Product names, company names andbrand names contained in this catalogue represent the respective registered trade name or trade mark. ■ Colors,textures and so forth of photographs shown in this catalogue may differ from actual products due to a limited fidelity inprinting. ■ Although every effort has been made to provide the information as accurate as possible for this catalogue,certain details have unavoidably been omitted due to limitations in space. ■ If you find any misprints or errors in thiscatalogue, it would be appreciated if you would inform us. ■ Please contact our distributors to confirm specifications,price, accessories or anything that may be unclear when placing an order or concluding a purchasing agreement.

Printed in Japan

Issue:Nov.2022 202211PDFEC41