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The prototype of HDB-1A/1B hydraulic operating mechanism is successfully produced for 126kV and 252kV circuit breaker.

The prototype of HDB-1A/1B hydraulic operating mechanism is successfully produced for 126kV and 252kV circuit breaker.
2015-01-13

Inauguration of the new workshop with an area of 5000 square meters.

Inauguration of the new workshop with an area of 5000 square meters.
2015-01-13

Home< Products < High Voltage Power Transmission And Distribution Industry

HDA series hydraulic operating mechanism with nitrogen accumulator

未标题-1.jpgHDA hydraulic operating mechanism possesses : excellent hermetic sealing, no direct pipe connection, small dimension, compact structure, low production cost, beautiful appearance etc; as well as advanced technology and stable performance. It is at present one of the best hydraulic operating mechanism for circuit breaker.



Take HDA-8 as an example

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Perating mechanism is at open position, energy storage cylinder is under uncharged condition.

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