{"product_id":"carrier-tchc0250hefmraf512-contactor-1h3zxi","title":"OEM Carrier 2-Pole Contactor 40A 24V for TCHC0250HEFMRAF512","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40 Amp 24V Coil for Model TCHC0250HEFMRAF512\u003c\/h1\u003e\u003cp\u003eThis OEM 2-pole contactor (part number \u003cstrong\u003eHN52TC040\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier TCHC0250HEFMRAF512\u003c\/strong\u003e system. The contactor acts as the primary switching device that routes high-voltage power to the compressor and condenser fan motor whenever the thermostat calls for cooling. When a contactor fails — due to worn contacts, a burned coil, or stuck\/welded poles — the most common symptoms are a system that won't turn on at all, a compressor that hums without starting, or an outdoor unit that runs continuously even when cooling is not being called for.\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 voltage | 240\/277V rated | OEM part number HN52TC040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor built to factory contact gap, coil pull-in voltage, and arc-suppression specifications. Generic contactors often use lower-grade silver-alloy contacts that pit and weld faster under high inrush loads, shortening service life significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify voltage is zero with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock orders ship 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 \u003cstrong\u003eCarrier TCHC0250HEFMRAF512\u003c\/strong\u003e. Always verify the pole count, amperage rating, and coil voltage against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640285122931,"sku":"CARRIE-TCHC0250HEFMRAF512-CONTACTOR-HN52TC040","price":71.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640285155699,"sku":"CARRIE-TCHC0250HEFMRAF512-CONTACTOR-HN52TC040-GEN","price":62.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52TC040_30856148-800e-45d5-b716-5d344d1ddb84.jpg?v=1775015652","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc0250hefmraf512-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}