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The MARS M17536 is a 3-pole contactor rated at 50 amps and 120 volts, designed for use in commercial and residential HVAC and electrical power-switching applications. This contactor ships with lugs included, making field termination straightforward without the need for additional hardware. It controls the flow of electrical power to compressors, motors, and other high-draw loads, switching them on or off through a low-voltage control circuit. HVAC technicians and licensed electricians are the primary installers. The included lug terminations support direct wire connections without requiring separate compression connectors.
The M17536 fits into packaged units, split systems, rooftop units, and other commercial-grade equipment that requires 3-pole power switching. It is suited for applications where the load demands a 50-amp, 3-pole switching device on a 120-volt coil circuit. The included lugs make it appropriate for installations where conductors terminate directly to the contactor body rather than through a separate lug block or bus assembly.
Designed as an OEM-style replacement 3-pole contactor for commercial and residential HVAC systems requiring a 50-amp, 120-volt, 3-pole switching device with lug terminations. Reference superseded part number CFSSE3711M when cross-referencing.
Installation should be performed by a licensed HVAC technician or electrician. Disconnect and lock out all power to the equipment before removing the existing contactor or making any wiring connections. Verify the replacement coil voltage and pole configuration match the existing unit wiring diagram before energizing. Follow applicable NEC requirements for conductor sizing and termination torque at the lug connections.
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