{"product_id":"carrier-c50a405011-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 30A 24V Coil for C50A405011 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A405011\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A405011\u003c\/strong\u003e commercial packaged unit. The contactor acts as a high-voltage relay, using a 24V signal from the thermostat or control board to close its contacts and deliver line voltage to the compressor and condenser fan motor. When a contactor fails — whether from pitted contacts, a burned coil, or contacts that weld shut — the result is a system that won't energize, short-cycles, or runs continuously without responding to the thermostat. OEM part numbers covered: \u003cstrong\u003eHN53CB115, HN53CD115, HN53HF122\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | 30A contact rating | Direct factory replacement for HN53CB115, HN53CD115, and HN53HF122\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contacts rated to factory arc-interruption specs. Generic contactors frequently use lower-grade contact materials that pit and fail prematurely, especially under the high inrush current of commercial compressors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. Verify coil voltage with a multimeter before condemning the contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units 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\u003eC50A405011\u003c\/strong\u003e commercial packaged unit. This listing covers OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — verify your existing part number against these three before ordering to confirm an exact fit. Always cross-reference coil voltage and pole configuration on your unit's data plate. Have a fitment question? Our HVAC parts specialists verify compatibility before you order — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909681074547,"sku":"CARRIE-C50A405011-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909681107315,"sku":"CARRIE-C50A405011-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_6ef417ab-6b91-4cbf-80a1-f75d3e4e5454.jpg?v=1782897725","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a405011-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}