OEM Carrier 2-Pole Contactor for Model C50A502762 — HN53CB115 / HN53CD115
This is the factory-specified OEM replacement contactor for the Carrier C50A502762 packaged unit. The contactor is a high-voltage relay that receives a low-voltage (24V) signal from the thermostat and closes the circuit to power the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the air conditioning system will either fail to start entirely, run continuously without shutting off, or trip the breaker repeatedly. This is one of the most commonly replaced components in any packaged HVAC system.
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Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for Carrier C50A502762 | Replaces OEM part numbers HN53CB115 and HN53CD115 | Heavy-duty silver-alloy contact tips for extended service life
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OEM vs Generic: OEM Carrier contactors are manufactured to exact coil pull-in voltage and contact gap specifications. Generic alternatives frequently use lower-grade contact materials that pit faster under compressor inrush current, leading to repeat failures within one to two seasons.
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Install difficulty: 2/5 — Always shut off power at the disconnect and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring connections before removing the old contactor, and transfer wires one at a time to avoid miswiring.
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Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our warehouse.
Compatibility: Designed and factory-matched for the Carrier C50A502762 packaged unit. Verify coil voltage and pole configuration on your unit's data plate or wiring diagram before ordering. Our HVAC parts specialists are available to confirm fitment — we verify compatibility before you buy. Order today and get back to comfort fast with same-day shipping.