Elevator Shunt Trip Wiring Diagram. Is there a code requirement that says the shunt trip trip control power indicator light is suppose to go out when the shunt trip is used to shut off power to the. I think the 24 volts from the fire alarm system will tie to a 120 volt relay with 24 volt coil and when the alarm goes off it will power the coil and close the 120 volt coil and trip breaker to elevator.

This prevents shock and prevents further use of the elevator. I think the 24 volts from the fire alarm system will tie to a 120 volt relay with 24 volt coil and when the alarm goes off it will power the coil and close the 120 volt coil and trip breaker to elevator. A shunt breaker has three connections.