TeSys GV electrical trip, MN undervoltage release, 110-115V AC 50Hz / 127V AC 60Hz, for motor circuit breakers GV2ME used in safety-related systems.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, INRS, VDE 0113), Green Premium compliant (RoHS/REACh).