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The RECTORSEAL n4118 is a 3-pole contactor rated for 40 amps at 208/240 volts, supplied with integral lugs for direct wire termination. Contactors of this type serve as the primary switching device for compressor loads, condenser fan motors, and other high-current HVAC/R components. The 3-pole configuration makes this unit suitable for three-phase load switching in light commercial and commercial refrigeration or air conditioning equipment. HVAC/R technicians install and replace contactors as part of routine preventive maintenance or when a burned or pitted contactor causes intermittent or failed equipment operation.
This contactor is intended for use in HVAC/R systems requiring 3-pole load switching at 208 or 240 volts with a 40-amp continuous current rating. Typical applications include commercial condensing units, rooftop units, and refrigeration compressor circuits where three-phase switching is required. The included lugs allow direct conductor termination without separate connectors, which simplifies installation in panel or equipment enclosures where space and termination points are constrained.
Designed as an OEM-style replacement contactor for commercial HVAC/R equipment requiring a 3-pole, 40-amp, 208/240-volt switching device with integral lugs.
A licensed HVAC/R technician should perform contactor replacement. Disconnect and lock out all power to the unit at the disconnect and breaker before removing the existing contactor. Verify line and load voltage ratings match the equipment nameplate before installation. Follow NEC guidelines for conductor sizing and termination torque at the lug connections.
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