OEM Carrier 2-Pole Contactor HN51KC024 for Model CH13NA04800GACAA

This is the factory OEM replacement contactor (part number HN51KC024) for the Carrier CH13NA04800GACAA split-system air conditioner. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat — when the call for cooling comes in, the contactor closes its contacts to send 240V power to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner won't turn on, runs continuously without shutting off, or shows signs of pitted or burned terminals that cause voltage drop and compressor damage.

• Specs: 2-Pole configuration | 24V AC coil voltage | 40-amp contact rating | 240V power circuit | Direct OEM replacement for part number HN51KC024
• OEM vs Generic: This factory OEM contactor is built to Carrier's exact coil pull-in voltage and contact gap specifications. Generic contactors frequently use lower-grade silver alloy contacts that pit faster under load cycling, leading to premature failure and potential compressor damage from voltage irregularities.
• Install difficulty: 2/5 — Always shut off power at the disconnect box and verify zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wire positions before removal. Wires transfer one at a time to avoid miswiring.
• Warranty: 1-year OEM factory warranty against defects. Orders placed before 3PM ship same business day from our climate-controlled warehouse.

Compatibility: Designed and verified for the Carrier CH13NA04800GACAA 4-ton single-stage split-system condenser. Always confirm the coil voltage and pole configuration on your existing contactor's label before ordering. If you have questions about fitment, our HVAC parts specialists verify compatibility before you purchase — no guesswork required. In stock and ready to ship today.