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This switchgear is suitable for three-phase five-wire power supply system with AC 50(60) Hz, rated working voltage 400V, 660V, rated current 5000A and below. It is designed for use in power plants, substations, industrial and mining enterprises, hotels, airports, terminals, and communication centers.
Main functions include control of power generation, transmission and distribution, power conversion, and power consumption equipment. Reactive power compensation is performed on its main busbar through the capacitor compensation cabinet.


| Project | Unit | Value |
|---|---|---|
| Overvoltage category | - | IV, III |
| Pollution level | - | 3 |
| Rated working voltage (Ue) | V | 400/660 |
| Rated insulation voltage (Ui) | V | 660/1000 |
| Rated frequency | Hz | 50(60) |
| Protection class | - | IP30/IP40 |
Our equipment complies with national and international standards including GB7251.1 "Low-voltage switchgear" and IEC60439 "Low-voltage switchgear and control equipment".

