{"product_id":"carrier-ph12na06000gagaa-contactor-1h34au","title":"OEM Carrier 2-Pole Contactor 40A 24V Coil for PH12NA06000GAGAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 40 Amp 24V for Model PH12NA06000GAGAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier contactor (part number \u003cstrong\u003eHN52KD020\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier PH12NA06000GAGAA\u003c\/strong\u003e heat pump system. The contactor acts as the main power switch for your outdoor unit — when the thermostat calls for cooling or heating, the 24V control board energizes the contactor coil, closing the high-voltage circuit to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an outdoor unit will not respond at all, hum with no startup, or intermittently lose power mid-cycle. Pitted or burned contacts from arcing are the telltale sign it's time to replace.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 40 Amp (50A resistive rated) | 24V AC coil | 50\/60 Hz | Factory-matched contact gap and spring tension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part — not an aftermarket substitute. Generic contactors often use lower-grade contact alloys that pit and burn faster, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and the disconnect box before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before disconnecting the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship the 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\u003ePH12NA06000GAGAA\u003c\/strong\u003e. Also replaces legacy part numbers HN52KD025, HN52KD025A, and 3100-30Q1028TT. Verify pole count, amperage, and coil voltage against your unit's data plate before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641939710323,"sku":"CARRIE-PH12NA06000GAGAA-CONTACTOR-HN52KD020","price":73.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641939743091,"sku":"CARRIE-PH12NA06000GAGAA-CONTACTOR-HN52KD020-GEN","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN52KD020_ce4da134-9425-420f-b873-38da36d72f14.jpg?v=1775015624","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na06000gagaa-contactor-1h34au","provider":"National HVAC Parts","version":"1.0","type":"link"}