Product Overview:GW6B-126KV 252KV 363KV 420KV Series Disconnector
GW6B is used to disconnect or connect high-voltage lines under no-load conditions, in order to convert high-voltage lines, change operating modes, and implement safe electrical isolation of high-voltage electrical equipment such as busbars and circuit breakers for maintenance.
This product can be arranged directly below the busbar, and its static contact is suspended on the overhead hard busbar or soft busbar. After the product is opened, a vertical insulation fracture is formed, which occupies a significant area, especially in substations with "double busbar with bypass busbar" connection, saving land.
This isolation switch can be equipped with a grounding switch for grounding the lower busbar. The grounding of the upper busbar requires an independent grounding switch. The isolation switch is equipped with SRCJ3 type electric motor operating mechanism for three pole linkage operation, and the grounding switch is equipped with SRCS type manual operating mechanism or SRCJ type electric motor mechanism for three pole linkage operation.
Specifications and Parameters:
|
Rated voltage (kV) |
126，145，252，363，420，550 |
|
Rated frequency (Hz) |
50/60 |
|
Rated current (A) |
2000, 2500, 3150, 4000, 5000 |
|
Rated peak withstand current (kA) |
125, 160 |
|
Rated short-time withstand current (kA) |
50, 63 |
|
Rated short-circuit duration (s) |
3 |
|
Mechanical lifespan (times) |
10000 |
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