{"product_id":"carrier-lc748lccsrmyx2501-contactor-1h3zxi","title":"OEM Carrier 410A Contactor 2-Pole 24V Coil for LC748LCCSRMYX2501","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model LC748LCCSRMYX2501\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor (part number \u003cstrong\u003eHN52TC040\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier LC748LCCSRMYX2501\u003c\/strong\u003e condensing unit. The contactor is a high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to deliver line voltage to the compressor and condenser fan motor. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — your outdoor unit will fail to energize entirely, leaving your system blowing warm air despite the thermostat calling for cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil | Rated for R-410A system amperage draws | Direct OEM replacement for part number HN52TC040 | Factory-matched contact material for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HN52TC040 contactor uses factory-grade contact alloys and a precision-wound coil calibrated to Carrier's exact pull-in voltage. Generic contactors often use lower-grade contact materials that pit faster under load cycling, leading to premature failure and potential compressor damage.\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 proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all high-voltage wire connections before removing the old contactor and transfer one wire at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM drop-in replacement for the Carrier \u003cstrong\u003eLC748LCCSRMYX2501\u003c\/strong\u003e condensing unit using part number HN52TC040. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate prior to ordering. Our fitment team is available to confirm compatibility before you buy — fast shipping means you're back up and running today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909291790707,"sku":"CARRIE-LC748LCCSRMYX2501-CONTACTOR-HN52TC040","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909291823475,"sku":"CARRIE-LC748LCCSRMYX2501-CONTACTOR-HN52TC040-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-HN52TC040_5e4699ab-35d9-4034-aa1a-d8ef75e4711c.jpg?v=1782900119","url":"https:\/\/nationalhvacparts.com\/products\/carrier-lc748lccsrmyx2501-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}