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The RECTORSEAL n4135 is a 3-pole contactor rated at 75 amps and 120 volts, designed for switching heavy electrical loads in HVAC and commercial building systems. It ships with lugs already installed, eliminating the need for separate lug procurement during installation. Contactors of this type serve as the primary switching device for compressors, condenser fan motors, and other high-draw loads in rooftop units, package systems, and large split systems. Licensed HVAC technicians and commercial electricians are the primary installers of this component.
The n4135 is suited for commercial and light industrial HVAC applications where a 3-pole configuration is required to switch three-phase or multi-leg loads. Its 75-amp rating accommodates larger compressors and motor loads commonly found in commercial rooftop units and packaged HVAC equipment. The included lugs support direct termination of appropriately sized conductors without additional hardware.
Designed as an OEM-style replacement contactor for commercial HVAC systems requiring a 3-pole, 75-amp, 120-volt switching device with lug terminations.
Installation should be performed by a licensed HVAC technician or electrician in accordance with the NEC and applicable local codes. Disconnect and lock out all power to the unit before removing or installing a contactor. Verify coil voltage and pole configuration match the existing system before energizing. Do not exceed the rated amperage of the contactor terminals.
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