{"product_id":"carrier-c50a305011-contactor-1k1tl0","title":"OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A305011 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A305011\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C50A305011\u003c\/strong\u003e commercial packaged unit. The contactor acts as the main electrical switch that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When a contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — the system will either refuse to turn on entirely or run continuously without responding to thermostat commands. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53CD115\u003c\/strong\u003e, and \u003cstrong\u003eHN53HF122\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil | 30A contact rating | 240V line voltage | Direct OEM replacement with factory-matched contact material and coil resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic substitutes frequently use lower-grade contacts that pit, arc, and weld shut prematurely — leading to compressor damage or runaway operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Verify coil draws 24V from the control board before condemning the contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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\u003eC50A305011\u003c\/strong\u003e commercial packaged rooftop unit. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — all three are covered by this single replacement contactor. Confirm pole count, coil voltage, and amperage on your unit's wiring diagram or data plate before ordering. Our fitment team is available to verify compatibility prior to purchase. Order today and your part ships the same business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909695000947,"sku":"CARRIE-C50A305011-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909695033715,"sku":"CARRIE-C50A305011-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_7a0640ba-b244-4aa8-8a6b-0a888d20d1c6.jpg?v=1782897473","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a305011-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}