Square D 31012-400-43 is a magnet coil for Square D Size 00 contactors (8502 and 8536 series). It is rated for 120 VAC at 50/60 Hz and energizes the coil to actuate the contactor, enabling switching of motor loads in industrial electrical panels. Compatible with 8502 and 8536 Size 00 contactors, this coil serves as a replacement part for maintaining control circuits in industrial automation setups.
