OEM Carrier Single-Pole Contactor 30A 24V Coil — HN51KC024 for Model PH10JA048000ABAA
This is the genuine OEM replacement contactor for the Carrier PH10JA048000ABAA packaged heat pump unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to power the compressor and/or condenser fan motor. When the contactor fails — due to pitted or burned contacts, a coil open, or contact welding — you'll experience symptoms like the system not responding to thermostat calls, the compressor failing to start, or the unit running continuously without shutting off.
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Specs: 1-Pole configuration | 30A Full Load Amps (FLA) | 150A Locked Rotor Amps (LRA) | 24 VAC coil voltage | 50/60 Hz rated | OEM Part # HN51KC024
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OEM vs Generic: This is a Factory Authorized Part engineered to exact Carrier specifications. Generic contactors often use lower-grade contact alloys that pit and wear faster under the high-amperage cycling demands of compressor loads, leading to premature failure.
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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 (to verify coil continuity and contact resistance). Photograph all wire connections before removal. Verify contactor pull-in by applying a 24V signal to the coil terminals after reinstallation.
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Warranty & Shipping: Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse — get your system back up and running fast.
Compatibility: Designed as the direct OEM replacement for Carrier model PH10JA048000ABAA. Cross-references include HN51CC024, P282-1304, P282-1305, P282-0311, and 301362-101. Always verify the part number on your unit's wiring diagram or data plate before ordering. Our fitment team is available to confirm compatibility before you buy.