Schneider Electric 31012-400-66 is a Square D SEK 550 600V relay coil. Rated for 600V operation, this coil carries the part number 31012-400-66 for use with the SEK 550 family. It serves as the energizing component that activates the corresponding SEK 550 relay in control circuits. Manufactured by Schneider Electric (Square D), it is designed for industrial electrical control applications that require a 600V coil for SEK 550 relays.
