OEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z2035100
This is the factory-specified OEM contactor (part number HN53CB115) for the Carrier C4850C50Z2035100 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to deliver line voltage to the compressor and condenser fan motor. When it fails, the unit will not respond to a cooling call — you may hear a click from the contactor but the compressor and fan never start, or the contacts may weld shut causing the system to run continuously without shutting off.
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Specs: 2-Pole design | 24V AC coil voltage | Rated for single-phase compressor and fan motor loads | OEM part number HN53CB115 | Direct plug-and-play replacement
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OEM vs Generic: The OEM HN53CB115 contactor features factory-matched contact ratings and coil pull-in voltage precisely calibrated for Carrier's control circuit. Generic contactors may use lower-grade contact materials that pit and burn faster under high inrush current, leading to premature failure and potential compressor damage.
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Install Difficulty: 2/5 — Always disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wire connections before removal. Verify coil voltage with a multimeter prior to replacement to rule out upstream control issues.
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Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before our same-day cutoff ship from our warehouse the same business day.
Compatibility: Engineered as the direct OEM replacement for Carrier C4850C50Z2035100 packaged units. Cross-reference your existing contactor's pole count, amperage rating, and coil voltage against the data plate and existing part before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you order if you have any questions.