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LW55-550/Y4000-50
LW55-550/Y4000-50

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PINGGAO GROUP HIGH VOLTAGE SWITCHGEAR CO.,LTD.

Pingdingshan,Henan,China

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LW55-550/Y4000-50

1.General DescriptionLW55-550/Y4000-50 tank SF6 circuit breaker is 3-phase AC transmission equipment applied to 550kV power system to control, measure and protect system. It consists of circuit breaker, current transformer, inline and outline bushing. LW55-550 circuit breaker is designed with single break and the first domestic lumped and high power hydraulic operation mechanism which has the advantages of inside tubes and no leakage. It is a new-type product developed by PG’ own and has reached to advanced world level.2.Main Features2.1 The interrupter part is designed with single break which has the advantage of simple and reasonable structure and advanced technology.2.2 High breaking capacity, long electrical life of contacts, long cycle for maintenance.2.3 The interrupter, hydraulic operation mechanism and current transformer are packaged as a whole unit except bushing parts. So it is easy to install and needn’t dock and debug on the spot.2.4 The interrupter can be

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