TeSys GV electrical trip, MN undervoltage release, 110-115V AC 50Hz / 127V 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.
