Product Overview: LW39-72.5KV SF6 Circuit Breaker
The LW39-72.5KV SF6 Circuit Breaker is an outdoor product. It is suitable for use in AC 50Hz/60 Hz power grids with a maximum voltage of 72.5kV in areas with an altitude not exceeding 1000m and a pollution level not higher than IV. It is used to cut off rated current, fault current or conversion lines, achieve control and protection of the power system, and can also be used as a contact circuit breaker.
Specifications and Parameters:
|
Rated voltage |
72.5kV |
|
Rated current |
3150A、4000A |
|
Rated short-circuit current |
40kA |
|
Rated short-circuit breaking times |
22 times |
|
Mechanical lifespan reaches |
10000 times |
|
Low and high temperature tests |
-50℃ ～+55℃ |
|
Annual SF6 leakage rate |
＜0.5% |
Product Features:
It has the characteristics of long electrical life, low operating power, low noise, and high reliability, which is in line with the trend of oil-free and high-capacity power equipment.
We offer the most advanced engineering design solutions and product technology solutions to global power customers, and continue to create value for the commercial success of global power customers.
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