{"product_id":"carrier-tchc2550hecmrsy501-contactor-1h3zxi","title":"OEM Carrier Contactor 2-Pole 40A 24V for TCHC2550HECMRSY501","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40A 24V Coil — HN52TC040 for Model TCHC2550HECMRSY501\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified contactor for the \u003cstrong\u003eCarrier TCHC2550HECMRSY501\u003c\/strong\u003e heat pump system. The contactor is the high-voltage relay that closes the circuit to power the compressor and condenser fan motor every time your thermostat calls for cooling or heating. When the contactor fails — due to worn contacts, a burned coil, or pitting from repeated electrical arcing — the system will fail to energize even though the thermostat is calling. Common symptoms include the outdoor unit not turning on, a humming sound from the disconnect area with no compressor start, or visible contact pitting and carbon scoring on the terminals.\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 voltage | OEM part number HN52TC040 | Factory-matched electrical ratings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor engineered to exact factory tolerances. Generic contactors often use lower-grade contact alloys that pit faster under load cycling, leading to premature failure and potential compressor damage from voltage drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker AND the disconnect block before starting. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removing terminals. Discharge any residual voltage before touching contacts.\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 Direct OEM replacement for Carrier model \u003cstrong\u003eTCHC2550HECMRSY501\u003c\/strong\u003e. Verify your existing contactor's pole count, amperage, 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 back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640269689203,"sku":"CARRIE-TCHC2550HECMRSY501-CONTACTOR-HN52TC040","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640269721971,"sku":"CARRIE-TCHC2550HECMRSY501-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_06ef98ce-91f2-4273-96a1-a077e672d1c9.jpg?v=1775022004","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc2550hecmrsy501-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}