Zhejiang Yuguang Vacuum Electric Co., Ltd. [China]

Detailed Product Description

Vacuum  Breaker (ZN85-40.5 Series)

General
The ZN85-40.5/T2000-31.5 indoor HV vacuum breaker (short for breaker ) is used for switching on / off load current , over load current , fault current in industrial and mining establishments , power plants and transformer substations with three phase AC 50 Hz, rated voltage 40.5 KV power systems .
The breaker and operating mechanism use up under arrangement structure , reducing the depth of the breaker effectively .
The three phase explosion chamber and phase associative electrified body are separated by three in deppen dent epoxy resin insulating cylinder , forming compound insulation structure . the breaker is up to the request of air and creepage distance in normal working conditions ,and reduces size of the breaker dffectively . Main galvanic circle vacuum explosion chamber and dynamic and static conduction connection is installed into the insulating cylinder , making phase to phase only 300mm . main cycle electrical connections all use fixed connections , having high reliability . the insulating cylinder is installed on the breakers frame .
The spring operating mechanism , designed for this new breaker , is installed in the breakers frame . its structrue is more suitable for arrangement structure of the breaker , becoming a part of the breaker s overall structure . having simple structure design , its output curve and performances are more suitable for requests of the 40.5kv vacuum breaker .
With reasonable general planning , goodly and compact outline , small size and flexible operation , the breaker has features of reliable electric specification , long life , easy to check and non maintenance of the mechanism .
The breaker is used for operating frequently and in some places with difficult working conditions .

Technical Parameter