Siemens Replacement Coil: 277V AC, 277V AC (MPN 75D70550AL). Key specifications — Brand: SIEMENS.

The SIEMENS 75D70550AL replacement coil is used to restore or upgrade definite purpose contactors in HVAC, refrigeration, and industrial motor control applications. It provides the electromagnetic force needed to close contactor contacts when energized, ensuring reliable switching of compressors, fans, and pumps.

The SIEMENS 75D70550AL is a replacement coil designed for definite purpose contactors. It operates on 277V AC supply voltage and is rated for 277V AC coil voltage. The manufacturer part number is 75D70550AL, and it is manufactured by Siemens. This coil is suitable for use in compatible Siemens contactor models.

You can source the SIEMENS 75D70550AL replacement coil through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for availability and lead time; we supply genuine Siemens components for industrial maintenance and repair needs.

To install the SIEMENS 75D70550AL replacement coil, first disconnect all power to the contactor. Remove the existing coil by releasing its retaining clip or screws. Align the new coil with the contactor core and secure it firmly. Reconnect the coil leads to the correct terminals (277V AC supply). Always follow the contactor manufacturer's wiring diagram and safety procedures.