{"product_id":"carrier-c48a303512-contactor-1k1tl0","title":"OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C48A303512 — HN53CB115 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C48A303512 — HN53CB115\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C48A303512\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes its contacts to energize the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that hums but won't start, or simply does nothing when cooling is called. Pitted contacts, a burnt coil, or contacts that weld shut are all signs it's time to replace this component.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 24V coil voltage | High-amperage contacts rated for compressor load | Direct OEM replacement per Carrier part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to exact Carrier factory specifications — matching coil pull-in voltage, contact material, and amperage rating. Generic contactors may use inferior contact alloys that pit faster under load, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power and verify voltage is absent before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, needle-nose pliers. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships the 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 C48A303512\u003c\/strong\u003e packaged unit. Always verify coil voltage and pole configuration against your unit's wiring diagram and data plate before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909752639859,"sku":"CARRIE-C48A303512-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909752672627,"sku":"CARRIE-C48A303512-CONTACTOR-HN53CB115-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-HN53CB115_f39f346b-7bd5-4f45-b5d2-8b9e0468253d.jpg?v=1782897446","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a303512-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}