WOCEN HB-021-500-120 Bidirectional Programmable DC Test Power Supply (21kW, 120A, 500V)

Voltage: 500V

Current: 120A

Power: 21kW

Size: 3U

Input parameter: 3- phase 3- wire+PE，380/400/480V，-10/+15%，45-65HZ

Energy feedback efficiency: ≤94.5%

Display mode: 4.3- inch color LCD

Voltage accuracy: ≤0.1% Umax

Current accuracy: ≤0.2% Imax

Setting accuracy: ≤1%Pmax

+10% point Uac linear adjustment rate: ≤0.02%Umax

Load adjustment rate from 0-100%: ≤0.05%Umax

Time required for load to rise from 10~90%Auout: ≤30mS

Transient recovery time: <1.5mS

Ripple: ＜0.03%Vmax

Efficiency: ~95%

Noise: ≤65dB（A）

Overvoltage protection: 0~110%Umax adjustable

Protection and alarm: Module fault alarm (including input voltage abnormal protection, DC bus voltage abnormal protection, internal overcurrent protection, short circuit protection, etc.), output overvoltage alarm (software + hardware), overcurrent protection, internal overheating alarm.

Cooling method: temperature controlled forced air cooling

Parallel work: supports up to 10 master-slave mode wells

Efficiency: ~95%

Operating temperature: 0~ 40℃

Storage temperature: -20~70℃

Humidity: <80%, no condensation

Overall Dimensions（W×H×D: 482*132.5*740(tree) 482*132.5*850(maximum size)

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