OEM Carrier Single-Pole Contactor 30 Amp 24V for Model PH15NB04200GBAAA

This is the genuine OEM factory-replacement contactor for the Carrier PH15NB04200GBAAA heat pump system. The contactor is the high-voltage relay that closes the power circuit to the compressor and condenser fan motor every time your thermostat sends a 24V call for cooling or heating. When the contactor fails — whether from pitted contacts, a burned coil, or welded-shut points — your system may hum without starting, fail to turn on entirely, or run continuously without responding to the thermostat. Part number HN51KC024 is the exact factory-specified replacement.

• Specs: 1-Pole configuration | 30 Amps FLA / 150 Amps LRA | 24 VAC coil voltage | 50/60 Hz | Screw terminal connections | R-410A system compatible
• OEM vs Generic: This OEM contactor is engineered to Carrier's exact specifications for pull-in voltage, contact gap, and arc suppression. Generic contactors often use lighter-gauge contacts that pit faster and coils wound to looser tolerances, shortening service life — especially in high-cycle residential heat pump applications.
• Install difficulty: 2/5 — Always shut off power at the disconnect box and wait 5 minutes before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Verify 24V coil pull-in after installation with the thermostat calling for a stage.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Verified fit for Carrier model PH15NB04200GBAAA. This contactor is also used across a broad range of Carrier, Bryant, and Payne residential and light-commercial HVAC equipment rated up to 5 tons (60,000 BTU). Always confirm the part number against your unit's wiring diagram or parts list before ordering. Our team is available to verify fitment — contact us before you buy if you have any questions.