{"product_id":"carrier-hb1cjx024000aaaa-contactor-1iwybu","title":"OEM Carrier Contactor 2-Pole 24V Coil for HB1CJX024000AAAA","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model HB1CJX024000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified contactor (part number \u003cstrong\u003eHN51KB024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier HB1CJX024000AAAA\u003c\/strong\u003e condensing unit. The contactor is a high-voltage relay that acts as the main electrical switch between your thermostat's 24V control signal and the 240V power feeding the compressor and condenser fan motor. When the thermostat calls for cooling, the 24V coil energizes and closes the contacts to start the system. A failed contactor is one of the most common reasons an air conditioner won't respond to a cooling call — symptoms include the outdoor unit not starting, audible buzzing or chattering at the contactor, or burned\/pitted contact points visible on inspection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Rated for 240V high-voltage load | Factory OEM part number HN51KB024 | Direct drop-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to exact factory amperage specs. Generic contactors often use lower-grade contacts that pit and weld prematurely, leading to repeat failures within one season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at both the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Transfer wires one 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 climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eHB1CJX024000AAAA\u003c\/strong\u003e condensing unit. Always 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 — contact us before you order if you have any questions. \u003cstrong\u003eIn stock and ready to ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909345759603,"sku":"CARRIE-HB1CJX024000AAAA-CONTACTOR-HN51KB024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909345792371,"sku":"CARRIE-HB1CJX024000AAAA-CONTACTOR-HN51KB024-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-HN51KB024_8679eae6-20db-4bc6-9f68-ed1fec9e4d74.jpg?v=1782904795","url":"https:\/\/nationalhvacparts.com\/products\/carrier-hb1cjx024000aaaa-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}