{"product_id":"carrier-lc748lccsrmy2600-contactor-1h3zxd","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for LC748LCCSRMY2600","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model LC748LCCSRMY2600\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier LC748LCCSRMY2600\u003c\/strong\u003e condensing unit. The contactor is the high-voltage relay that bridges your 24V control circuit signal to the 240V line voltage powering the compressor and condenser fan motor. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — your outdoor unit will either refuse to energize at all, run continuously without shutting off, or produce an audible buzzing without starting. Replaces OEM part numbers \u003cstrong\u003eHN52TC024\u003c\/strong\u003e and \u003cstrong\u003eHN52TC040\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V control coil | 40A contact rating | 240VAC line voltage | Direct OEM factory replacement with exact terminal layout\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 aftermarket contactors often use lower-grade contact materials that pit and weld prematurely, leading to compressor run-on or hard-start failures within one to two seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box AND the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring before disconnecting terminals. Capacitor discharge is recommended before working near the contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before our same-day shipping cutoff ship the 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\u003eLC748LCCSRMY2600\u003c\/strong\u003e condensing unit. This listing covers both OEM part numbers HN52TC024 and HN52TC040 — verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's wiring diagram or data plate before ordering. Need fitment help? Our HVAC parts specialists confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909293363571,"sku":"CARRIE-LC748LCCSRMY2600-CONTACTOR-HN52TC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909293396339,"sku":"CARRIE-LC748LCCSRMY2600-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.jpg?v=1782898998","url":"https:\/\/nationalhvacparts.com\/products\/carrier-lc748lccsrmy2600-contactor-1h3zxd","provider":"National HVAC Parts","version":"1.0","type":"link"}