Square D 40146-007-54 Contactor Coil for Motor Starters

The Square D 40146-007-54 (40146-007-54) is a replacement contactor coil designed for use in industrial electrical control assemblies and motor starters. Manufactured by Square D, this operating coil delivers the electromagnetic actuation required to close and maintain contactor pole connections under normal operational cycling. Engineered for reliable performance in demanding power distribution and motor control environments, the coil ensures dependable engagement and disengagement within compatible contactor housings. Its construction provides thermal resistance and electrical insulation suited for continuous industrial duty, minimizing downtime during scheduled maintenance or component replacement. The Square D 40146-007-54 coil allows facility operators and technicians to restore full switching performance to worn or damaged contactor units without replacing entire assemblies. Typical applications include motor control centers, industrial automation panels, pump stations, HVAC equipment, and power distribution systems where Square D contactors and starters manage heavy electrical loads. With a unit weight of 10 kg, verify your existing contactor specifications and control circuit requirements before installation.