{"product_id":"carrier-c50a403522-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 30A 24V Coil for C50A403522 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A403522\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A403522\u003c\/strong\u003e commercial packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an AC system hums, fails to start, or simply does nothing when cooling is demanded. Pitted or burned contacts, a welded-open coil, or a coil that won't pull in are all telltale signs this part needs replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole | 30A rated | 24V coil voltage | Replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122 | Factory-matched contact material and coil pull-in voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for the full cycle life of the unit. Generic contactors frequently use lower-grade contacts that arc, pit, and weld prematurely — causing repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Check 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. Orders placed before 3 PM EST ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Carrier model \u003cstrong\u003eC50A403522\u003c\/strong\u003e commercial packaged units. This listing covers OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — confirm your existing part number matches one of these before ordering. Verify pole count, amperage, and coil voltage on your unit's data plate or existing contactor label. Need help confirming fitment? Our HVAC parts specialists verify compatibility before every order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909683728755,"sku":"CARRIE-C50A403522-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909683761523,"sku":"CARRIE-C50A403522-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_3b46fbaa-0190-4df3-a224-c8a3a750eddf.jpg?v=1782897720","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a403522-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}