OEM Carrier 2-Pole Contactor 24V Coil for Model PY4GNAB30060NA

This is the factory-specified OEM contactor (part number HN51KC024) for the Carrier PY4GNAB30060NA packaged unit. The contactor is a high-voltage relay that acts as the main power switch for the compressor and condenser fan motor — closing when the thermostat calls for cooling and opening when the cycle ends. Common failure symptoms include the unit not turning on at all, audible chattering or buzzing from the contactor coil, pitted or burned contacts causing intermittent operation, or the system running continuously without shutting off.

• Specs: 2-Pole configuration | 24V AC coil voltage | High-amperage load contacts | Direct OEM replacement — factory-matched to Carrier specifications
• OEM vs Generic: This OEM contactor uses factory-grade contact material and coil windings, ensuring precise pull-in voltage and long contact life. Generic alternatives often use lower-grade contact alloys that pit faster under high-amperage switching, leading to premature failure.
• Install difficulty: 3/5 — Always shut off power at the disconnect and verify with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal and transfer one wire at a time to avoid miswiring.
• Warranty: 1-year OEM factory warranty included. Orders placed by 3PM local time ship same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY4GNAB30060NA packaged unit. Always cross-reference the OEM part number HN51KC024 printed on your existing contactor's label before ordering to confirm a direct fit. Our technical team is available to verify compatibility prior to purchase — no guesswork required.