Square D 31017-400-54 Magnet Coil is a 120 V AC coil used to energize the magnetic circuit in compatible Square D switching equipment. The part number 31017-400-54 identifies this coil for use in relays or contactors that require a 120 V AC control coil. Designed for Square D electrical control devices that specify a 120 V AC coil, this magnet coil enables the activation of the device's magnetic switching element when power is applied.
