{"product_id":"carrier-tchc0250hefmraf131-contactor-1h3zxi","title":"OEM Carrier Contactor 2-Pole 40FLA 24V for TCHC0250HEFMRAF131","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40FLA 24V Coil for Model TCHC0250HEFMRAF131\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement contactor for the \u003cstrong\u003eCarrier TCHC0250HEFMRAF131\u003c\/strong\u003e, factory part number \u003cstrong\u003eHN52TC040\u003c\/strong\u003e. The contactor is the high-voltage relay in your condensing unit that receives a 24V signal from the thermostat and closes the circuit to power the compressor and condenser fan motor. When it fails — due to pitted contacts, a burned coil, or a stuck\/welded set of contacts — the unit may refuse to start, hum without engaging, run continuously without shutting off, or trip the breaker repeatedly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 40 FLA (Full Load Amps) | 24V AC Coil | 208–230V Switching Voltage | 50\/60 Hz | Single Phase | Definite Purpose Contactor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized part. OEM contactors are manufactured to exact contact gap, coil pull-in voltage, and arc-quench tolerances. Generic substitutes often use thinner contact material, leading to premature pitting and shorter service life under high-load cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wire connections before removal. Label each wire to its terminal (L1, L2, T1, T2) for correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified contactor for Carrier model \u003cstrong\u003eTCHC0250HEFMRAF131\u003c\/strong\u003e. Verify coil voltage (24V) and amperage rating (40 FLA) against your unit's data plate before ordering. Cross-reference: HN52TC040 is also noted as equivalent to \u003cstrong\u003e310020Q18181CL\u003c\/strong\u003e. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640285942131,"sku":"CARRIE-TCHC0250HEFMRAF131-CONTACTOR-HN52TC040","price":62.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640285974899,"sku":"CARRIE-TCHC0250HEFMRAF131-CONTACTOR-HN52TC040-GEN","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52TC040_8d776d83-2afd-432c-ad53-3af9e705c410.jpg?v=1775022006","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc0250hefmraf131-contactor-1h3zxi","provider":"National HVAC Parts","version":"1.0","type":"link"}