Tesys Gv Electrical Trip, Mn Undervoltage Release, 380-400V Ac 50Hz / 440V Ac 60Hz, For Motor Circuit Breakers Gv2Me Used In Safety-Related Systems. It Trips The Circuit Breaker When The Control Voltage Drops Below.35 Uc, Possible Opening Between.35-0.7 Uc. Closing Of The Circuit Breaker Is Only Possible When The Control Voltage Is Applied In The Range.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, Vde113), Green Premium Compliant (Rohs/Reach).