20 Terms
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Circuit breakers
Industry: Electrical equipment
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Circuit breakers
restraint interface module (RIM)
Electrical equipment; Circuit breakers
A component which allows zoneselective interlocking communication between Square D full-function electronic trip systems, add-on ground-fault modules and zero-sequence ground-fault relays.
residual ground-fault sensing
Electrical equipment; Circuit breakers
A means of providing equipment groundfault protection utilizing sensors on each individual phase.
remote reset after fault (RES)
Electrical equipment; Circuit breakers
A component which resets the overcurrent trip switch (SDE) and the mechanical operator after tripping.
rating plug
Electrical equipment; Circuit breakers
A component which plugs into the full-function electronic trip unit, establishing the maximum continuous current rating of the circuit breaker.
racking interlock
Electrical equipment; Circuit breakers
An interlock to prevent racking of a drawout circuit breaker when the enclosure door is open by not allowing the racking crank to be inserted into the circuit breaker.
push-to-trip button
Electrical equipment; Circuit breakers
A button for manually tripping the circuit breaker.
