{"product_id":"carrier-ca16nw02400gbaaa-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil HN51KC024 — CA16NW02400GBAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil HN51KC024 for Model CA16NW02400GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CA16NW02400GBAAA\u003c\/strong\u003e split-system air conditioner. The contactor is the high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to energize the compressor and condenser fan motor. When it fails, your system may hum at the outdoor unit but never fully start, fail to respond to a cooling call entirely, or in some cases remain stuck closed — running continuously even when no cooling is demanded.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30-40 amp load rating | Factory-matched contact material and coil pull-in voltage for Carrier CA16NW02400GBAAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-specified contact alloy and coil windings, ensuring consistent pull-in voltage and arc suppression. Generic contactors frequently use inferior contact materials that pit and weld prematurely, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before beginning. Tools needed: flat-head and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all high-voltage wiring before disconnecting. 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 against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the Carrier \u003cstrong\u003eCA16NW02400GBAAA\u003c\/strong\u003e split-system air conditioner. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — reach out before you buy if you have any questions. \u003cem\u003eIn stock and ready to ship today.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909645980019,"sku":"CARRIE-CA16NW02400GBAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909646012787,"sku":"CARRIE-CA16NW02400GBAAA-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_13ea4b98-f04a-435e-bb4f-18f2325d4e58.jpg?v=1782899019","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ca16nw02400gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}