TeSys GV electrical trip, MN undervoltage release, 380-400V AC 50Hz / 440V AC 60Hz, for motor circuit breakers GV2, GV3. It trips the circuit breaker when the control voltage drops below 0.35 Uc, possible opening between 0.35-0.7 Uc. Closing of the circuit breaker is only possible when the control voltage is applied in the range 0.85-1.1 Uc. To be mounted on right-hand side of the circuit breaker, connection by screw clamp terminals. Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHS/REACh).