{"product_id":"carrier-ch13na01800gaaba-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CH13NA01800GAABA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CH13NA01800GAABA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM contactor (part# \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH13NA01800GAABA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat — when the call for cooling comes in, the contactor closes and sends 240V line voltage to the compressor and condenser fan motor. When the contactor fails, the result is an AC unit that simply won't turn on, chatters loudly, or stays energized even after the thermostat satisfies. Burned or pitted contacts are the most common failure mode, especially after lightning events or prolonged use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | 40A rated | Replaces OEM part number HN51KC024 | Factory-matched to Carrier specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is built to Carrier's exact coil pull-in voltage and contact material specifications. Generic contactors may use lower-grade silver alloy contacts that pit faster under load, leading to repeat failures within one to two seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at both the disconnect box and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. The contactor slides into a standard bracket and terminals accept spade or screw connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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 replacement for Carrier model \u003cstrong\u003eCH13NA01800GAABA\u003c\/strong\u003e. Confirm 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 verify fitment — don't guess on a high-voltage component. Order today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909641523571,"sku":"CARRIE-CH13NA01800GAABA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909641556339,"sku":"CARRIE-CH13NA01800GAABA-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_5ac8ddb4-8356-4afc-90d7-ccee6cda765f.jpg?v=1782898901","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch13na01800gaaba-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}