{"product_id":"carrier-ph1pna030000abba-contactor-1iwybu","title":"OEM Carrier Contactor 1-Pole 24V 25A for PH1PNA030000ABBA","description":"\u003ch1\u003eOEM Carrier 1-Pole Contactor 24V 25A — HN51KB024 for Model PH1PNA030000ABBA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement contactor for the \u003cstrong\u003eCarrier PH1PNA030000ABBA\u003c\/strong\u003e heat pump system. The contactor is the high-voltage switching relay that receives a 24V signal from the thermostat or control board and closes the high-voltage circuit to power the compressor and condenser fan motor. When a contactor fails, the result is typically a system that won't energize at all — the thermostat calls for cooling or heating but nothing happens at the outdoor unit, or the unit may short-cycle or hum without starting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1-Pole configuration | 24V 50\/60Hz coil | 25 FLA (Full Load Amps) | 30 RES rated | OEM part number HN51KB024 — factory-matched for Carrier PH1PNA030000ABBA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor built to exact factory specifications. Generic aftermarket contactors often use lighter-gauge contacts that pit and arc faster under load, leading to premature failure and potential compressor damage. OEM ensures the correct coil pull-in voltage and contact rating every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and wait 5 minutes before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Swap wires one at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified contactor for Carrier model \u003cstrong\u003ePH1PNA030000ABBA\u003c\/strong\u003e. Always verify your existing contactor's pole count, coil voltage, and amp rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641618420083,"sku":"CARRIE-PH1PNA030000ABBA-CONTACTOR-HN51KB024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641618452851,"sku":"CARRIE-PH1PNA030000ABBA-CONTACTOR-HN51KB024-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KB024_a03a7ec8-5d77-4188-9d42-27cc77eadf26.jpg?v=1775021254","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph1pna030000abba-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}