{"product_id":"carrier-ca14na04200gaaaa-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V for CA14NA04200GAAAA — HN51KC024","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CA14NA04200GAAAA — HN51KC024\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CA14NA04200GAAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to energize the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a stuck plunger, or a burned coil — the condensing unit will not respond to a cooling call, leaving you with warm air or a completely unresponsive outdoor unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V AC coil voltage | 30–40 amp contact rating | Direct OEM replacement for Carrier part number HN51KC024 | Factory-matched contact material for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-spec contact alloy and coil wire gauging. Generic contactors frequently use lower-grade contact surfaces that arc and pit prematurely, leading to repeat failures within a single cooling season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at the disconnect and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Line-voltage terminals carry 208–240V — do not rush this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM drop-in replacement for the Carrier \u003cstrong\u003eCA14NA04200GAAAA\u003c\/strong\u003e 4-ton, single-stage R-410A split-system condenser. Always confirm coil voltage and pole count on your unit's data plate before ordering. Our parts specialists are available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909651583347,"sku":"CARRIE-CA14NA04200GAAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909651616115,"sku":"CARRIE-CA14NA04200GAAAA-CONTACTOR-HN51KC024-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN51KC024_b2214359-d8cf-4b51-82b7-53a58c54c986.jpg?v=1782899037","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ca14na04200gaaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}