{"product_id":"carrier-cp50p550p503510cp-contactor-1k1s1j","title":"OEM Carrier Contactor 2-Pole 24V Coil for CP50P550P503510CP","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CP50P550P503510CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier CP50P550P503510CP\u003c\/strong\u003e packaged unit. The contactor acts as the main switching component in the outdoor unit's control circuit — when the thermostat calls for cooling, a 24V signal energizes the coil, closing the contacts and delivering high-voltage power to the compressor and condenser fan motor. A failed contactor typically results in the air conditioner not turning on at all, or intermittent compressor dropout during a cooling cycle. Pitted or burned contacts are the most common cause of failure and are a safety concern if left unaddressed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Factory-rated amperage matched to OEM spec | OEM part number HN53CD115 | Designed for Carrier packaged unit applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory amperage specifications. Generic alternatives frequently use lower-grade contacts that pit faster under load, leading to premature re-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. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting — incorrect wiring can damage the control board or compressor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for \u003cstrong\u003eCarrier model CP50P550P503510CP\u003c\/strong\u003e packaged units. Cross-reference OEM part number HN53CD115 against your unit's data plate to confirm coil voltage and pole configuration before ordering. Our parts specialists are available to verify fitment — reach out before you order if you have any questions. Orders placed by 3PM ship the same business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909584966003,"sku":"CARRIE-CP50P550P503510CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909584998771,"sku":"CARRIE-CP50P550P503510CP-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_85d685c8-e3be-4ada-8ffc-b7b08422a2f9.jpg?v=1782904608","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p550p503510cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}