{"product_id":"carrier-c48a403511-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C48A403511 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C48A403511\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C48A403511\u003c\/strong\u003e packaged unit. The contactor is a high-voltage switching relay controlled by the 24V signal from your thermostat or control board. When the thermostat calls for cooling, the contactor closes its poles to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner won't turn on — symptoms include a buzzing or chattering sound from the contactor, a burned or pitted contact surface, or a complete failure to energize the outdoor unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Rated for high-amperage compressor loads | Factory-matched contact material and coil pull-in voltage for reliable switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM Carrier contactor (HN53CB115) meets exact factory contact ratings and coil voltage tolerances. Aftermarket contactors often use inferior contact alloys that pit and burn faster under compressor inrush current, leading to repeat failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at both the disconnect box and the breaker before starting. 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 against defects. Orders placed before cutoff ship the 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\u003eC48A403511\u003c\/strong\u003e packaged unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. OEM part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e confirms direct factory fitment. Have a fitment question? Our HVAC parts specialists verify compatibility before you order — no guesswork.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909743366515,"sku":"CARRIE-C48A403511-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909743399283,"sku":"CARRIE-C48A403511-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_6890b8f9-5467-4502-b27a-41f59e4afdc6.jpg?v=1782904370","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a403511-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}