{"product_id":"carrier-c4850c50ak02591-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AK02591 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C50AK02591\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50AK02591\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal. When your thermostat calls for cooling, the low-voltage coil energizes and closes the high-voltage contacts, sending power to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system won't turn on — symptoms include the outdoor unit not running, a buzzing or chattering sound from the contactor itself, or pitted and burned contact points visible on inspection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40 amp contact rating | Direct OEM replacement for part number HN53CB115 | Factory-matched contact material for full rated service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-spec contact alloy and coil windings, ensuring reliable pull-in voltage and full amperage capacity. Generic contactors often use inferior contact material that pits faster under load, leading to early 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 terminals. 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. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C50AK02591\u003c\/strong\u003e packaged unit. Always verify OEM part number HN53CB115 against your unit's data plate or existing contactor label before ordering. Our team is available to confirm fitment — don't hesitate to reach out before you buy. Order today and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909833150835,"sku":"CARRIE-C4850C50AK02591-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909833183603,"sku":"CARRIE-C4850C50AK02591-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_21a9016b-0eab-4e93-83f9-7acd8cf08e4e.jpg?v=1782898801","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50ak02591-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}