| Brand | HK Electrical |
| Model NO. | KWJC-7 Series power frequency overvoltage test device |
| Rated voltage | 380V |
| Series | KWJC-7 |
Overview
The KWJC-7 power frequency overvoltage test device is a new type of calibration bench designed and developed by our company in accordance with the GB14048 "Low-voltage Switchgear and Control gear" standard, relevant product technical standards, and special requirements of users.
This calibration bench is composed of components such as a voltage regulator, current booster, high-precision ammeter, voltmeter, AC contactor, buttons, and indicator lights. It can be used by manufacturers or relevant quality inspection departments. To ensure safety, it conducts comprehensive measurement, verification, and analysis of the comprehensive action characteristics of complete sets of equipment.
Equipment application: Test the action characteristics such as overvoltage, undervoltage, and short circuit of complete sets of equipment.
Parameters
Project |
Parameters |
|
Power input |
Rated voltage |
AC 380V±10% 50Hz |
Power Input |
3-phase 4-wire |
|
Secure 3-phase voltage |
1x AC380 20A |
|
Secure single-phase voltage |
1X AC220 10A |
|
3-phase voltage output |
1X AC0~600V 10A |
|
AC/DC control voltage |
1X AC/DC 0~250V 10A |
|
3-phase current output |
AC 0~10A |
|
System error |
≤1% |
|
Waveform distortion |
≤1% |
|
ammeter accuracy |
Level of 1 |
|
voltmeter accuracy |
Level of 1 |
|
Operating temperature |
-10℃-45℃ |
|
Environmental humidity |
≤80%RH |
|
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