SF6 Live Tank Circuit Breaker 126KV

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A new type of contact

The contact of this product is designed as a new "auto-force” type one. The nozzle is made of special material and introduced advanced processing.

Advanced spring operating mechanism

We are able to provide advanced spring operating mechanism which had been introduced to many projects, and is approved by many customers.

Others

The product is save-area, easy installation, reliable operation, long time period life (20 years), low noise operation, larger breaking capacity and so on. It can do reliability test operation under rated breaking current 5000 times without repair and reliability test operation 10000 times.

 
Rated voltage kV 126
Rated current A 3150
Rated frequency Hz 50
Rated short circuit breaking current kA 40
Rated SF6 gas pressure ( at 20 ℃ gauge pressure ) MPa 0.5
Rated dielectric level 1min power freq. withstand voltage test kV Phase to earth 230
Between poles 230
Across gaps 230 +70
Lightning Impulse with-stand voltage test (peak)kV Phase to earth 550
Between poles 550
Across gaps 550+100