Square D 40146-048-56 Contactor Coil

The Square D 40146-048-56 (40146-048-56) is an industrial contactor coil designed for use in Square D motor starter and contactor assemblies. As an integral component of the electromagnetic actuator mechanism, this replacement coil energizes to pull in the contactor armature and close the power contacts, ensuring reliable power switching in demanding industrial environments. The coil is built to withstand repeated thermal cycling and sustained operation across commercial and industrial motor control applications. Weighing approximately 10 kg, it serves as a direct replacement component for scheduled maintenance, repairs, or modernization of existing Square D control panels, switchgear, and motor control centers. Operating within contactor assemblies, this unit helps maintain operational continuity, prevent unexpected electrical downtime, and preserve equipment performance across automated machinery, pumps, fans, and conveyor systems. Proper installation and verification against application requirements ensure seamless compatibility and dependable switching performance.