{"product_id":"carrier-ca17na03600gbaaa-contactor-1iwxlq","title":"OEM Carrier Contactor 2-Pole 24V for CA17NA03600GBAAA — HN51KC024","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CA17NA03600GBAAA — HN51KC024\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CA17NA03600GBAAA\u003c\/strong\u003e split-system air conditioner. The contactor is the high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to worn or pitted contacts, a stuck plunger, or a burned coil — the outdoor unit will not energize even though the thermostat is calling for cooling. Common symptoms include the air handler running with no outdoor response, a buzzing or chattering sound from the contactor, or a completely dead condenser unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V AC coil voltage | High-amperage contact rating | Direct OEM replacement for part number HN51KC024 | Factory-matched to Carrier CA17NA03600GBAAA electrical specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory amperage tolerances, resisting pitting and arcing far longer than generic substitutes. Inferior contacts oxidize faster, leading to repeat failures and potential compressor damage from voltage drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify voltage is absent with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Line-voltage terminals carry lethal current — exercise caution.\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 climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCA17NA03600GBAAA\u003c\/strong\u003e condensing unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909644374387,"sku":"CARRIE-CA17NA03600GBAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909644407155,"sku":"CARRIE-CA17NA03600GBAAA-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_8a2f7550-bd99-41fa-82a2-8791140c0df8.jpg?v=1782905057","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ca17na03600gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}