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Operating Mechanisms

The drive for switching power

The circuit breaker constitutes the last link in the chain of different apparatus which form part of the protection equipment for power supply system. A failure in the operating mechanism constitutes a failure in the total breaking operation.

Hydro-mechanical Spring Operating Mechanism

HMB-1/2 HMB-1/2

for circuit breakers, gas insulated switchgear (GIS) and generator circuit breakers (GCB)

HMB-4/-8 HMB-4/-8

for circuit breakers, gas insulated switchgear (GIS) and generator circuit breakers (GCB)

Motor Operating Mechanism

  • Motor Drive Motor Drive

    A revolutionary concept for the operation of high voltage circuit breakers.

Spring Drive Operating Mechanism

BLG BLG

for high voltage circuit breakers

BLK BLK

for high voltage circuit breakers

FSA FSA

for high voltage circuit breakers

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