{"product_id":"carrier-c48a504011-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C48A504011","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C48A504011\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C48A504011\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 — due to pitted contacts, a burned coil, or stuck contacts — the system will either refuse to start entirely, fail to shut off, or trip the breaker repeatedly. OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e and \u003cstrong\u003eHN53CD115\u003c\/strong\u003e are the direct factory replacements for this application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Rated for high-amperage compressor loads | Factory-matched contact material and coil resistance for reliable switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors from Carrier use precision-milled silver-alloy contacts that resist pitting and arcing. Generic contactors often use lower-grade contact materials that degrade faster under the repetitive load cycling typical of packaged HVAC units, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting line voltage at the unit disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a phone or camera to photograph existing wiring before removal. Transfer wires one at a time to avoid miswiring. Verify coil voltage with a multimeter before energizing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed by 3PM EST ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC48A504011\u003c\/strong\u003e packaged gas\/electric unit. Cross-references OEM part numbers HN53CB115 and HN53CD115. Always verify pole count, coil voltage, and amperage rating against your unit's data plate or wiring diagram before ordering. Our fitment specialists are available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909731864947,"sku":"CARRIE-C48A504011-CONTACTOR-HN53CB115","price":40.8,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909731897715,"sku":"CARRIE-C48A504011-CONTACTOR-HN53CB115-GEN","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_2ec9798d-434e-48d4-be92-6844da6094ea.jpg?v=1782904387","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a504011-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}