Standards:IEC/EN 60898-1IEC/EN 60947-2UL 1077Tripping Characteristic:CRated Operational Voltage:acc. to IEC 60898-1 400 V ACacc. to IEC 60898-1 400 Vacc. to IEC 60947-2 440 V ACOperational Voltage:Maximum (Incl. Tolerance) 125 V DCMaximum (Incl. Tolerance) 440 V ACMinimum 12 V ACMinimum 12 V DCRated..