{"product_id":"carrier-ph4gnaa24000aa-contactor-1iwxlq","title":"OEM Carrier Contactor 1-Pole 24V 30A HN51KC024 — PH4GNAA24000AA","description":"\u003ch1\u003eOEM Carrier Single-Pole Contactor 1-Pole 24V 30 Amp (HN51KC024) for Model PH4GNAA24000AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM single-pole contactor factory-specified for the \u003cstrong\u003eCarrier PH4GNAA24000AA\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay that bridges line voltage to the compressor and condenser fan motor whenever the thermostat sends a 24V call for cooling. When it fails, symptoms range from the system refusing to turn on, audible chattering or humming at the contactor, pitted or burned contact faces, or — in welded-contact failure — a unit that runs continuously and won't shut off. Prompt replacement protects the compressor from short-cycling damage and restores normal operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1-Pole | 24 VAC Coil Voltage | 30A Full Load Amps (FLA) | 150A Locked Rotor Amps (LRA) | 50\/60 Hz | OEM Part# HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized part meets exact Carrier contact material and coil resistance specifications. Generic contactors frequently use lower-grade silver-alloy contacts that pit faster under compressor inrush current, shortening service life and risking welded contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before opening the control compartment. Photograph all wiring before disconnecting. Tools needed: flat-head and Phillips screwdrivers, 1\/4\" nut driver, multimeter. Verify 24V coil pull-in after installation with a thermostat call.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly fits Carrier model \u003cstrong\u003ePH4GNAA24000AA\u003c\/strong\u003e packaged units. Also replaces cross-reference part numbers including HN51CC024, P282-1304, P282-1305, P282-0311, 301362-101, and 301323-101. Always verify your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy — reach out before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641236312435,"sku":"CARRIE-PH4GNAA24000AA-CONTACTOR-HN51KC024","price":66.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641236345203,"sku":"CARRIE-PH4GNAA24000AA-CONTACTOR-HN51KC024-GEN","price":58.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_d3d41867-77c4-4dca-ad8f-aadee305efec.jpg?v=1775021345","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph4gnaa24000aa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}