LW58A-40.5 sulfur hexafluoride tank circuit breaker

Rated voltage：40.5kV

Rated current：2500A、3150A

Rated short circuit current：31.5kA

Low and high temperature tests：-50℃ ～+55℃

Product use and characteristics

LW58A-40.5 tank circuit breaker is a new generation of open high voltage electrical equipment developed by Jiangsu Yawei Transformer Co., LTD. with independent intellectual property rights. It is suitable for high cold and high altitude areas. The product is composed of inlet and outlet bushing, current transformer, arc extinguishing chamber, frame, operating mechanism and other components. The advanced technology, quality and reliability have reached the leading domestic and international advanced level.

Serial number	Project	Argument
1	Rated voltage	40.5kV
2	Rated current	2500A、3150A
3	Rated short circuit current	31.5kA
4	Line charging current opening and closing test	Level C2
5	Rated short circuit breaking times	Greater than 22 times
6	Mechanical life up to	10000 times
7	Low and high temperature tests	-50℃ ～+55℃
8	SF6 year air leakage rate	Less than 0.5%

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