{"product_id":"carrier-tchc0250hefmraf621-contactor-1h3zxi","title":"OEM Carrier 2-Pole Contactor 40A 24V for TCHC0250HEFMRAF621","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40 Amp 24V Coil for Model TCHC0250HEFMRAF621\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier contactor (part number \u003cstrong\u003eHN52TC040\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eTCHC0250HEFMRAF621\u003c\/strong\u003e heat pump system. The contactor acts as a high-voltage relay, switching line-voltage power to the compressor and condenser fan motor whenever the thermostat calls for cooling or heating. When the contactor fails — due to worn contacts, a burned-out 24V coil, or pitted contact surfaces — the system will not start at all, or may run continuously without cycling off. Replacing it with the correct OEM part ensures proper coil pull-in voltage, rated ampacity, and reliable switching under load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 40 FLA (Full Load Amps) | 24V 50\/60Hz Coil | 240\/277V load voltage | Factory OEM tolerance — direct drop-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors feature precise coil winding resistance and silver-alloy contact surfaces rated to factory spec. Generic aftermarket contactors often use substandard contact materials that pit and arc prematurely, reducing service life and risking compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Verify 24V coil signal from thermostat before condemning the contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 Designed as a direct OEM replacement for Carrier model \u003cstrong\u003eTCHC0250HEFMRAF621\u003c\/strong\u003e. Always verify amperage rating and coil voltage against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — order with confidence and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640284467571,"sku":"CARRIE-TCHC0250HEFMRAF621-CONTACTOR-HN52TC040","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640284500339,"sku":"CARRIE-TCHC0250HEFMRAF621-CONTACTOR-HN52TC040-GEN","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52TC040_62737c0e-5d0f-457e-b1a5-b0e299389bd3.jpg?v=1775015660","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc0250hefmraf621-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}