1) Circuit: AC 50Hz/60Hz 2) Rated working voltage: up to 660V 3) Rated working current: up to 85A 4) Can switch on and of a remote circuit, protecting it from eventual overload 5) Suitable for marking, breaking, frequently starting and controlling the AC motor 6) Combined with auxiliary contact block, timer delay and machine-interlocking devise, it becomes delay contactor, mechanical interlocking contactor, star-delta starter 7) Combined with thermal relay, it becomes electromagnetic starter 8) Standards: ICE947, VDE0660 and BS5452