{"product_id":"carrier-cp50p550p503511cp-contactor-1k1s1j","title":"OEM Carrier Contactor 2-Pole 24V Coil for CP50P550P503511CP","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CP50P550P503511CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier CP50P550P503511CP\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to deliver line voltage to the compressor and condenser fan motor. When the contactor fails — through worn contacts, pitting, or a burned coil — the system will appear completely unresponsive despite the thermostat calling for cooling, or it may run continuously without shutting off due to contacts welded in the closed position.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | OEM part number HN53CD115 | Factory-matched replacement for Carrier CP50P550P503511CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors feature precision contact surfaces and coil windings built to Carrier's exact factory specifications. Generic contactors frequently use thinner contact material that pits and fails prematurely, risking compressor damage and repeat service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and confirm zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Transfer wires one at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship 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 Carrier \u003cstrong\u003eCP50P550P503511CP\u003c\/strong\u003e packaged unit. Verify your existing contactor's pole count and coil voltage against your unit's data plate before ordering. Our fitment team is available to confirm compatibility — just reach out before you buy. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909584638323,"sku":"CARRIE-CP50P550P503511CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909584671091,"sku":"CARRIE-CP50P550P503511CP-CONTACTOR-HN53CD115-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CD115_1a7e211c-1bcc-4468-b897-ed87a7f1332d.jpg?v=1782904611","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p550p503511cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}