{"product_id":"carrier-c50a305051-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 24V Coil for C50A305051","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A305051\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage switching relay for the \u003cstrong\u003eCarrier C50A305051\u003c\/strong\u003e packaged unit. The contactor acts as the primary on\/off switch between your thermostat's 24V control signal and the high-voltage compressor and condenser fan circuits. When the contactor fails, you'll experience an air conditioner that simply won't turn on, fails to cycle on demand, or shows signs of pitted and burned contact points causing intermittent operation or hard starts. 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 coil voltage | Heavy-duty contact rating | Direct OEM replacement — matches factory wiring terminals and mounting footprint exactly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to Carrier's exact coil pull-in voltage and contact silver-alloy specifications. Generic contactors frequently use inferior contact materials that pit and weld prematurely under load, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect box and verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A305051\u003c\/strong\u003e commercial packaged unit. This listing covers three superseded OEM part numbers — HN53CB115, HN53HF122, and HN53HG120 — all of which are direct replacements for one another. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our fitment team is available to confirm compatibility prior to purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909694837107,"sku":"CARRIE-C50A305051-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909694869875,"sku":"CARRIE-C50A305051-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_76d9d8b1-9aa3-47c1-9b54-4a3cd29aa6e7.jpg?v=1782897621","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a305051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}