This item is a Fuji Electric FC-2S Series Magnetic Contactor, designed for controlling electrical motors and power circuits in consumer and light industrial machinery.  Model/Series: Fuji FC-2S with SF35B1A Auxiliary Relay Module. Coil Voltage: Rated for 220-240V at 50Hz or 240-260V at 60Hz. Capacity: Rated for 10HP at 240V or 15HP at 440V (AC-3 load). Specifications: Features an Auxiliary contact configuration of 1NO1NC (1a1b) and a maximum thermal current (\(I_{th}\)) of 45A.