{"product_id":"carrier-c4850c50z3035600-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50Z3035600 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model C4850C50Z3035600\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50Z3035600\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal. When the thermostat calls for cooling, the contactor closes and sends 240V power to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system appears completely dead — the thermostat signals, but nothing turns on. You may also see pitted or burned contacts causing intermittent operation, chattering, or a unit that runs continuously without shutting off.\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 | Factory-matched OEM replacement for part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses silver-alloy contact points rated to factory specification. Generic contactors often use lower-grade contacts that pit and weld prematurely, leading to repeat failures within a single cooling season.\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, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before removing any terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C50Z3035600\u003c\/strong\u003e packaged unit. Verify coil voltage and pole count on your unit's data plate or wiring diagram before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment at no charge — contact us before you order and we'll confirm compatibility for your exact serial number and production date.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909796745587,"sku":"CARRIE-C4850C50Z3035600-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909796778355,"sku":"CARRIE-C4850C50Z3035600-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_5b7ad5c7-1d64-4bfc-8a3f-5d63c81e0839.jpg?v=1782898829","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z3035600-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}