No vocabulary
Auxiliary switch/s
Dual current & voltage sensing
Illuminated
Illuminated
B Series only
Mid-trip
Neutral Switch
Relay trip
Series trip
Series trip + switch
Shunt trip
Shunt trip
This is one of the most common tripping schemes. The protective relay (PR) contact is arranged directly to trip the circuit breaker and it simultaneously energizes an auxiliary unit X which then reinforces the contact that is energizing the trip coil.