GMC AC Contactor is suitable for using in the circuit up to the rated woltage 660V AC 50Hz or 60Hz,rated current up to 125A,for making, breaking, frequently starting & controlling the AC motor. Combined with the auxiliary contact block,timer dalay and machine interlocing devine etc. It becaomes the delay contactor, mechanical interlocking contactor and star-delta starter. With the thermal relay,it is combined into the electromagnetic starter. The contactor is produced according to IEC947-2.VDE0660 and BS5452.