Low-voltage switchgear (hereinafter referred to as the device) for AC 50Hz, rated working voltage of 400V, rated current of 4000A and below the low-voltage power grid for power generation, transmission, power distribution system as power lighting, power conversion, Protection and control occasions. The device is approved by a full type of pilot project (TTA) and a national mandatory product certification (CCC certification). The device complies with the requirements of GB7251.1 and IEC60439.
Layers Puzzle Type Parking Equipment
Rated voltage [kV] 0.4
Rated insulation voltage [kV] 1
Rated frequency [Hz] 50/60
Main busbar rated current (40 °C) [A] ... 4000
Circuit-breaker rated current (40 °C)
| Name | Specification | Brand | Material |
| Fuse Switch Disocnnector | 185MM | GRL | Copper T3 |
| Terminals | | GRL | stainless steel |
| MCCB | AV400V | GRL | DMC |
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