TeSys GV electrical trip unit, MX shunt trip, 208-240V AC 50Hz/60Hz, for motor circuit breakers GV4. It trips the circuit breaker when the control voltage is applied in limits 0.7-1.1 Uc with an impulse duration greater than 20ms or a maintained signal. To be plugged inside the circuit breaker, connection by spring terminals. Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHS/REACh).