{"product_id":"carrier-c50a305063-contactor-1k1s1j","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A305063","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor for Model C50A305063 Packaged Unit\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C50A305063\u003c\/strong\u003e packaged rooftop unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the call for cooling arrives, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system refuses to turn on, chatters loudly, or drops out mid-cycle. Replaces OEM part numbers \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 voltage | Heavy-duty contacts rated for compressor load | Direct OEM replacement per factory spec — verify amperage on your unit's data plate before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips that resist pitting and arcing far longer than generic brass contacts. Cheap aftermarket contactors are a leading cause of premature compressor failure due to voltage drop across worn contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at both the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a camera to photograph existing wiring. Line-voltage terminals must be fully discharged before handling. If uncomfortable working with 240V wiring, contact a licensed HVAC technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the Carrier \u003cstrong\u003eC50A305063\u003c\/strong\u003e packaged commercial unit. This listing covers both superseded part numbers HN53CD115 and HN53HF122 — both are the same compatible contactor. Confirm coil voltage and pole configuration on your unit's wiring diagram or data plate before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909693198707,"sku":"CARRIE-C50A305063-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909693231475,"sku":"CARRIE-C50A305063-CONTACTOR-HN53CD115-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-HN53CD115_fae617c1-5c7c-4a6b-96d1-0a8562560e09.jpg?v=1782904438","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a305063-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}