... , for making, breaking, frequently starting & controlling the AC motor.Comibined with the auxiliary contac block , timer relay & mechnical-interlocking ... delay contactor,mechanical interlocking contactor, star-delta starter. With the thermal relay, it is combined into the ... heating current Ith(A)16202540454560Rated working current AC2/AC/AC4380V8.511.515.522503744660V3.54.96.71317.52125Rated ...