{"product_id":"carrier-py3gna030060aa-contactor-1iwybu","title":"OEM Carrier Single-Pole Contactor 24V 25A for PY3GNA030060AA","description":"\u003ch1\u003eOEM Carrier Single-Pole Contactor 24V 25A — Model PY3GNA030060AA (HN51KB024)\u003c\/h1\u003e\u003cp\u003eThis OEM single-pole contactor is the factory-specified switching component for the \u003cstrong\u003eCarrier PY3GNA030060AA\u003c\/strong\u003e condensing unit. The contactor acts as a high-voltage relay: when the thermostat sends a 24V signal, the contactor coil energizes, closing the high-voltage circuit to power the compressor and\/or condenser fan motor. When the contactor fails — through pitted or welded contacts, a burned coil, or a chattering coil — the result is an AC system that won't start, runs continuously without shutting off, or trips the breaker repeatedly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1-Pole configuration | 24V AC 50\/60Hz coil | 25 FLA (Full Load Amps) | OEM part number HN51KB024 | Factory-matched contact material and coil resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-spec silver-alloy contact tips and precision-wound coils, delivering consistent pull-in voltage and long contact life. Generic contactors often use lower-grade contact material that pits faster under high inrush current, leading to premature failure and compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect and lock out 240V power at the disconnect box before opening the unit. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Verify the 24V coil pulls in cleanly after installation with a voltmeter before closing the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse — order before 3PM local time for guaranteed today dispatch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered and factory-matched for Carrier model \u003cstrong\u003ePY3GNA030060AA\u003c\/strong\u003e. Always verify the OEM part number on your existing contactor's label or the unit's wiring diagram before ordering. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640483991923,"sku":"CARRIE-PY3GNA030060AA-CONTACTOR-HN51KB024","price":72.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640484024691,"sku":"CARRIE-PY3GNA030060AA-CONTACTOR-HN51KB024-GEN","price":63.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KB024_1c47d600-aef9-442c-9844-b1f6801e3cd7.jpg?v=1775039865","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gna030060aa-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}