{"product_id":"carrier-c50a404052-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A404052","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A404052\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C50A404052\u003c\/strong\u003e commercial packaged unit. The contactor acts as the primary switching device that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or contacts welded shut — the unit will either refuse to start entirely, run continuously without shutting off, or trip the breaker repeatedly. 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 control coil | Factory-rated amperage for Carrier commercial packaged equipment | Direct OEM drop-in replacement with matching terminal layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors feature silver-alloy contact tips rated to factory arc-interruption specs. Generic contactors frequently use lower-grade contacts that pit prematurely under high-cycle commercial loads, leading to repeat failures within one season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the disconnect and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, needle-nose pliers. Photograph all wiring connections before removal. Label high-voltage leads (L1, L2, T1, T2) before disconnecting to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before 3 PM ship same business day from our climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C50A404052\u003c\/strong\u003e commercial packaged rooftop unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all three are covered by this single listing. Always verify pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Our parts specialists are available to confirm fitment prior to purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909682057587,"sku":"CARRIE-C50A404052-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909682090355,"sku":"CARRIE-C50A404052-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_030ccf1e-7e1d-477b-a754-9bb0e2089289.jpg?v=1782904452","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a404052-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}