{"product_id":"carrier-c48a405051-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C48A405051 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C48A405051\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C48A405051\u003c\/strong\u003e packaged unit. The contactor acts as the primary power switch that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When it fails — whether due to burned or pitted contacts, a stuck plunger, or a failed coil — the result is an AC system that simply won't respond, leaving you with warm air or no operation at all. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for Carrier C48A405051 packaged unit | Silver-alloy contact tips for long service life and reduced arcing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to exact Carrier factory specifications, ensuring proper coil pull-in voltage, contact gap, and amperage rating. Generic contactors often use lower-grade contact materials that pit and weld prematurely, leading to callbacks and repeat failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, a multimeter to confirm coil continuity, and insulated gloves. Photograph all wire connections before removal. Verify coil voltage and pole count on the data plate before installing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier C48A405051\u003c\/strong\u003e commercial packaged unit. This listing covers OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all are factory-approved replacements for this model. Confirm coil voltage (24V) and pole count on your unit's data plate before ordering. Our parts specialists are available to verify fitment before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909739139443,"sku":"CARRIE-C48A405051-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909739172211,"sku":"CARRIE-C48A405051-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_bac104d9-ea8c-43cf-bee9-7dda3433954d.jpg?v=1782904377","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a405051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}