{"product_id":"carrier-ch13na03100gabba-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CH13NA03100GABBA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CH13NA03100GABBA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003eCarrier CH13NA03100GABBA\u003c\/strong\u003e split-system air conditioner, sold under OEM part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e. The contactor is the primary high-voltage switching relay in your condensing unit — when the thermostat calls for cooling, the 24V control circuit energizes the contactor coil, closing the contacts and supplying line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner won't start, hums continuously, or runs erratically. Pitted or burned contacts, a weak coil, or contacts that weld shut are all telltale signs it's time for a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V AC coil voltage | 30–40A contact rating | Direct OEM replacement | Part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM contactor uses silver-alloy contacts rated to Carrier's exact load specifications. Generic contactors often use lower-grade contact materials that pit faster under high-cycle summer loads, 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 disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers. Photograph all wiring connections before removing the old contactor. Line and load wiring must be transferred exactly as found.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier CH13NA03100GABBA\u003c\/strong\u003e condensing unit. Always confirm coil voltage and pole configuration on your unit's data plate or wiring diagram before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you buy for complete peace of mind. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909634838899,"sku":"CARRIE-CH13NA03100GABBA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909634871667,"sku":"CARRIE-CH13NA03100GABBA-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_2317cf20-a26d-4daf-a861-e0c24d1829b7.jpg?v=1782898911","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch13na03100gabba-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}