{"product_id":"payne-pa12na04200gacaa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil HN51KC024 — PA12NA04200GACAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil HN51KC024 for Model PA12NA04200GACAA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA12NA04200GACAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that bridges the gap between your 24V control circuit and the high-voltage power supply feeding the compressor and condenser fan motor. When the thermostat sends a cooling call, the 24V coil energizes, pulling in the contactor's contacts and delivering line voltage to the unit. A failed contactor is one of the most common reasons an outdoor AC unit won't start — symptoms include the indoor air handler running while the outdoor unit stays completely off, visible pitting or burning on the contact points, or the unit chattering and short-cycling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 24V coil voltage | Factory-rated amperage for Payne PA12NA04200GACAA | Direct OEM replacement for part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-spec contact materials and coil windings, ensuring proper pull-in voltage and long contact life. Generic substitutes frequently exhibit premature contact pitting and coil burnout under sustained load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box and confirm zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed by cutoff time ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct replacement for the Payne \u003cstrong\u003ePA12NA04200GACAA\u003c\/strong\u003e condensing unit. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909182378355,"sku":"PAYNE-PA12NA04200GACAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909182411123,"sku":"PAYNE-PA12NA04200GACAA-CONTACTOR-HN51KC024-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_24c7031c-0c8f-47a7-8768-5ffbdbd0cf82.jpg?v=1780718046","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa12na04200gacaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}