{"product_id":"carrier-ph10ja04200gahaa-contactor-1iwxlq","title":"OEM Carrier Contactor 24V Coil 2-Pole for PH10JA04200GAHAA","description":"\u003ch1\u003eOEM Carrier Contactor 24V Coil 2-Pole for Model PH10JA04200GAHAA\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier PH10JA04200GAHAA\u003c\/strong\u003e unit. The contactor acts as the primary switching device in the condensing section, receiving a low-voltage (24V) signal from the thermostat or control board and closing its high-voltage contacts to energize the compressor and condenser fan motor. When the contactor fails — whether through pitted or burned contacts, a stuck plunger, or a failed coil — the most common symptom is an air conditioning system that simply won't turn on, or one that runs continuously even when cooling is not called for.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V AC coil | 2-pole configuration | Factory OEM replacement | Rated for R-410A system loads | Matches original contact gap and pull-in voltage specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier contactor engineered to exact factory tolerances. Aftermarket contactors often use lower-grade contact materials that pit and burn faster under high-amperage switching loads, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning work. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 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 Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier PH10JA04200GAHAA\u003c\/strong\u003e. Always verify the existing contactor's coil voltage (24V), pole configuration (2-pole), and amperage rating against your unit's data plate prior to ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641988174195,"sku":"CARRIE-PH10JA04200GAHAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641988206963,"sku":"CARRIE-PH10JA04200GAHAA-CONTACTOR-HN51KC024-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_11021f69-327c-482c-9901-64592a1e76f6.jpg?v=1775022081","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph10ja04200gahaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}