Operating Mechanisms

Designed for reliable switching in the entire product range of high-voltage circuit-breakers from 52 kV to 1'100 kV

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.

Our offering

HMC operating mechanism

HMC operating mechanism

The new operating mechanism type HMC-4, from 245 kV to 550 kV.

HMB operating mechanism

HMB operating mechanism

Operating mechanism portfolio
from 52 kV to 1000 kV

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