20 Terms
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Circuit breakers
Industry: Electrical equipment
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Circuit breakers
Short-time delay
Electrical equipment; Circuit breakers
The length of time the circuit breaker will carry a short circuit (current greater than the short-time pickup) before initiating a trip signal.
Push-to-close button
Electrical equipment; Circuit breakers
A button for manually closing the main contacts after the closing springs are charged.
Primary disconnect contacts
Electrical equipment; Circuit breakers
An electrical plug-on connector in the main current path between the drawout components and the cradle mounted in the switchboard or switchgear.
Programmable contact module (M6C and M2C)
Electrical equipment; Circuit breakers
A programmable module which indicates the type of fault and the instantaneous and delayed threshold overruns. It may be programmed with instantaneous return to the initial state, without return to ...
Phase barrier
Electrical equipment; Circuit breakers
A barrier which provides phase-to-phase or phase-toground isolation.
Peak let-through current
Electrical equipment; Circuit breakers
The maximum peak current flowing in a circuit during an overcurrent condition.
Peak current sensing
Electrical equipment; Circuit breakers
A method of determining the current by means of detecting the current peaks.
