{"product_id":"carrier-lc748lccsrmp2500-contactor-1h3zxd","title":"OEM Carrier Contactor 2-Pole 24V for LC748LCCSRMP2500","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model LC748LCCSRMP2500\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier LC748LCCSRMP2500\u003c\/strong\u003e condensing unit. The contactor acts as the main power switch between your thermostat's 24V control signal and the high-voltage supply feeding the compressor and condenser fan motor. When it fails — due to pitted contacts, a stuck plunger, or a burned coil — the system will either fail to start entirely, run continuously without shutting off, or trip the breaker repeatedly. OEM part numbers \u003cstrong\u003eHN52TC024\u003c\/strong\u003e and \u003cstrong\u003eHN52TC040\u003c\/strong\u003e are both covered by this listing; verify your existing part number on the contactor body before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V coil voltage | Factory-rated amperage for Carrier LC748LCCSRMP2500 | Direct OEM replacement for HN52TC024 and HN52TC040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for the exact inrush current of your compressor. Generic units often use lower-grade contacts that pit and weld prematurely, leading to repeat failures within one to two seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect box and confirm voltage is absent with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring connections before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier model LC748LCCSRMP2500\u003c\/strong\u003e. Cross-references OEM part numbers HN52TC024 and HN52TC040. Always confirm coil voltage and pole configuration on your existing contactor's data label before installing. Our fitment specialists are available to verify compatibility before you order — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909292872051,"sku":"CARRIE-LC748LCCSRMP2500-CONTACTOR-HN52TC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909292904819,"sku":"CARRIE-LC748LCCSRMP2500-CONTACTOR-HN52TC024-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-HN52TC024_4a2938c7-bda8-420d-a1d4-386d349d0d16.jpg?v=1782905069","url":"https:\/\/nationalhvacparts.com\/products\/carrier-lc748lccsrmp2500-contactor-1h3zxd","provider":"National HVAC Parts","version":"1.0","type":"link"}