Circuit breakers

Circuit breakers

Industry: Electrical equipment

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Circuit breakers

Mechanical operation counter (CDM)

Electrical equipment; Circuit breakers

A mechanical device which indicates the total number of circuit breaker operating cycles.

Manual charging handle

Electrical equipment; Circuit breakers

A manually-operated handle which charges the circuit breaker closing springs.

Main disconnecting contacts

Electrical equipment; Circuit breakers

Spring-loaded and self-aligning contact on the rear of a drawout circuit breaker that provide positive electrical contact when the circuit breaker is in the connected position.

Long-time, short-time and ground-fault (LSG)

Electrical equipment; Circuit breakers

A combination of adjustable trip functions including long-time ampere rating, long-time delay, short-time pickup, short-time delay, defeatable instantaneous pickup, ground-fault pickup and ...

Long-time and short-time (LS)

Electrical equipment; Circuit breakers

A combination of adjustable trip functions including long-time ampere rating, long-time delay, short-time pickup, short-time delay and a defeatable instantaneous pickup.