{"product_id":"carrier-hn51kc024-contactor","title":"Carrier HN51KC024 Contactor","description":"\u003cp\u003eThe \u003cstrong\u003eCarrier HN51KC024\u003c\/strong\u003e is a heavy-duty, single-pole definite purpose contactor designed specifically for \u003cstrong\u003eHVAC compressor and condenser fan motor switching\u003c\/strong\u003e. Engineered for reliability in residential and light commercial units, this electrical relay features a \u003cstrong\u003e24V control coil\u003c\/strong\u003e and a \u003cstrong\u003e30 Amp inductive load rating\u003c\/strong\u003e (40 Amp resistive), ensuring it can handle the high-current demands of 1.5 to 5-ton air conditioning and heat pump systems. As a genuine \u003cstrong\u003eOEM replacement contactor\u003c\/strong\u003e, the HN51KC024 offers a direct fit for older models, effectively reducing downtime by eliminating the need for wiring modifications or bracket adjustments. Its durable construction includes encapsulated coils and silver cadmium oxide contacts to resist pitting and welding under heavy arcing conditions. Technicians rely on this \u003cstrong\u003e1 pole 24V contactor\u003c\/strong\u003e to restore consistent power cycling between the thermostat and the outdoor unit, maintaining high system efficiency and preventing premature motor failure caused by sticking or burnt contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Seamlessly replaces multiple part numbers including \u003cstrong\u003eP282-0311\u003c\/strong\u003e, 3100-15Q228, and HN51CC024 across Carrier, Bryant, and Payne equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Features an encapsulated coil design that protects against dust, moisture, and environmental debris commonly found in outdoor condensing units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Rated for \u003cstrong\u003e30 FLA (Full Load Amps)\u003c\/strong\u003e and 150 LRA (Locked Rotor Amps) at 240V, providing robust performance for high-tonnage compressors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Standard mounting bracket and 1\/4-inch quick-connect terminals allow for rapid field replacement by service contractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between a 1-pole and 2-pole contactor?\u003c\/strong\u003e\u003cbr\u003eA 1-pole contactor like the \u003cstrong\u003eCarrier HN51KC024\u003c\/strong\u003e breaks only one side of the power line, whereas a 2-pole contactor breaks both. Single-pole versions are often used in residential units to allow for a constant \"trickle\" of power to keep the compressor crankcase warm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a 40 Amp contactor to replace this 30 Amp model?\u003c\/strong\u003e\u003cbr\u003eYes, you can typically upgrade to a higher amperage rating (e.g., a 40 Amp \u003cstrong\u003eP282-1322\u003c\/strong\u003e) as long as the coil voltage remains \u003cstrong\u003e24VAC\u003c\/strong\u003e, but you should never downgrade below the original manufacturer's amperage specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if my HN51KC024 contactor is failing?\u003c\/strong\u003e\u003cbr\u003eCommon symptoms include a humming or buzzing sound from the control box, visible soot or \"pitting\" on the silver contacts, or a compressor that won't kick on despite the thermostat calling for cooling.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHN51KC024 is the cross for HN51DB024\u003c\/span\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":35644875020,"sku":"HN51KC024","price":79.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_07f1a4c1-a261-4ebb-9b9e-ab541d5165c1.png?v=1777479530","url":"https:\/\/www.gsistore.com\/products\/carrier-hn51kc024-contactor","provider":"GSIstore","version":"1.0","type":"link"}