{"product_id":"carrier-tchc0250hefmraf521-contactor-1h3zxi","title":"OEM Carrier Contactor 2-Pole 40A 24V for TCHC0250HEFMRAF521","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40A 24V Coil (HN52TC040) for Model TCHC0250HEFMRAF521\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003eCarrier TCHC0250HEFMRAF521\u003c\/strong\u003e heat pump and cooling system. The contactor is the high-voltage relay that closes the circuit to energize the compressor and condenser fan motor every time your thermostat calls for cooling or heating. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the system either won't start at all, hums without running, or fails to shut off. Replacing it with the genuine OEM part (HN52TC040) restores factory-spec switching performance and protects the compressor from damaging voltage irregularities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 40A FLA (Full Load Amps) | 24V 50\/60Hz coil | Definite purpose contactor | 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, manufactured to exact factory tolerances for contact gap, coil pull-in voltage, and current rating. Generic contactors often carry loose amp tolerances that accelerate contact pitting and reduce compressor lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removal. Tag and transfer one wire at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory 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 Directly fits Carrier model \u003cstrong\u003eTCHC0250HEFMRAF521\u003c\/strong\u003e. Verify your existing contactor's pole count (2-pole), amperage (40A FLA), and coil voltage (24V) against your unit's wiring diagram before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your system back up fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640284991859,"sku":"CARRIE-TCHC0250HEFMRAF521-CONTACTOR-HN52TC040","price":66.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640285024627,"sku":"CARRIE-TCHC0250HEFMRAF521-CONTACTOR-HN52TC040-GEN","price":58.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52TC040_7d9f275e-762d-4754-a249-fa7316a0ad3e.jpg?v=1775021976","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc0250hefmraf521-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}