{"product_id":"carrier-ph12na04800gadaa-contactor-1iwxlq","title":"OEM Carrier Contactor 1-Pole 30A 24V for PH12NA04800GADAA","description":"\u003ch1\u003eOEM Carrier Single-Pole Contactor 1-Pole 30A 24V Coil — HN51KC024 for Model PH12NA04800GADAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e), the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier PH12NA04800GADAA\u003c\/strong\u003e packaged heat pump unit. The contactor acts as the main switching relay in the outdoor unit's control circuit, receiving a 24V signal from the thermostat and closing the high-voltage circuit to energize the compressor and\/or condenser fan motor. When the contactor fails — due to pitted contacts, a burned or open coil, or contacts welded shut — the system will either refuse to turn on entirely or run continuously without responding to thermostat calls.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1-Pole configuration | 24 VAC coil voltage | 30A Full Load Amps (FLA) | 150A Locked Rotor Amps (LRA) | 50\/60 Hz rated | Factory OEM part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part, engineered to meet exact Carrier Corporation specifications for pull-in voltage, contact material, and contact gap. Generic aftermarket contactors may meet the basic electrical spec but often use lower-grade contact alloys that pit and weld faster under compressor cycling loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box before opening the control compartment. Photograph all wiring before removing any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V coil signal and confirm contact continuity). Follow the unit wiring diagram for line, load, and coil lead connections, then verify contactor pull-in with a live 24V thermostat call before closing the panel.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Factory-specified replacement contactor for Carrier model \u003cstrong\u003ePH12NA04800GADAA\u003c\/strong\u003e packaged heat pump. Also cross-references to Bryant, Payne, and other ICP-family units that list HN51KC024 on the official parts list. Always verify your unit's data plate and parts list before ordering — if you need help confirming fitment, our HVAC parts specialists are standing by.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641944592755,"sku":"CARRIE-PH12NA04800GADAA-CONTACTOR-HN51KC024","price":67.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641944625523,"sku":"CARRIE-PH12NA04800GADAA-CONTACTOR-HN51KC024-GEN","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_b0b3030f-a7dd-4811-a0c9-3a0c940a895f.jpg?v=1775021464","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na04800gadaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}