{"product_id":"carrier-c50a405051-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 24V Coil 40A for C50A405051 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 40A for Model C50A405051\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C50A405051\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that energizes the compressor and condenser fan motor when your thermostat calls for cooling. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — your system will either refuse to start entirely, run continuously without shutting off, or trip a breaker. 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 AC coil voltage | 40A load rating | Direct OEM drop-in replacement | Factory-matched contact material for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory arc-interruption specs. Generic contactors often use inferior contact materials that pit and weld prematurely, leading to compressor damage and repeat failures within a single cooling season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all high-voltage wiring before removing any terminals. Coil wires are low-voltage (24V) and connect to the thermostat circuit.\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 3PM ship same business day from our climate-controlled HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C50A405051\u003c\/strong\u003e commercial packaged unit and directly cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always confirm pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909680288115,"sku":"CARRIE-C50A405051-CONTACTOR-HN53CB115","price":36.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909680320883,"sku":"CARRIE-C50A405051-CONTACTOR-HN53CB115-GEN","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_a56d6300-c25d-4f94-8d4e-0ad43f7427a9.jpg?v=1782897563","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a405051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}