SMC series AC Contatsor is suitable for using in the circuits rated voltage up to 660VAC 50Hz or 60Hz, rated current from 9A to 85A, for making and breaking and for frequently starting and controlling the motor.

Contatsor seletsion for the switching of 3-phase motors AC3, AC4 SM-series up to 45KW, The table shows the rating of Contatsors for the starting, switching (AC3) or plugging, inching (AC4) 3 phase squirrel cage motors, Auxiliary contats blocks such as type UA-2 or UA-4 can be added on the top of a contatsor.