{"product_id":"carrier-c50a504011-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A504011","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A504011\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C50A504011\u003c\/strong\u003e commercial packaged unit. The contactor is a high-voltage relay that closes the circuit to the compressor and condenser fan motor when the thermostat sends a 24V signal. When the contactor fails — due to pitted contacts, a burned coil, or a stuck armature — the system either won't turn on at all, runs continuously without shutting off, or makes a loud chattering or buzzing noise at the unit. Replacing a worn contactor is one of the most impactful preventive maintenance steps you can take to protect your compressor.\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 | OEM part numbers HN53CB115 and HN53CD115 — verify your existing contactor's coil voltage and pole count on the data plate before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-matched contact materials and spring tension tolerances. Generic contactors frequently exhibit premature contact pitting and inconsistent pull-in voltage, which shortens compressor life and increases service callbacks.\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 wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Transfer one wire 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 in materials and workmanship. Orders placed before 3 PM EST ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eC50A504011\u003c\/strong\u003e commercial packaged unit. Cross-references OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e and \u003cstrong\u003eHN53CD115\u003c\/strong\u003e. Always confirm coil voltage and pole configuration on your unit's data plate prior to ordering. Our technical team is available to verify fitment — reach out before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909670490483,"sku":"CARRIE-C50A504011-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909670523251,"sku":"CARRIE-C50A504011-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_839b150a-bf59-41db-b87b-0418f9d57e35.jpg?v=1782904485","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a504011-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}