{"product_id":"carrier-csa0500h1d-contactor-1k1rxh","title":"OEM Carrier Contactor 2-Pole 24V Coil for CSA0500H1D — HN53CD209","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CSA0500H1D — HN53CD209\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CSA0500H1D\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to deliver 240V power to the compressor and condenser fan motor. When a contactor fails — whether from burned or pitted contacts, a welded contactor stuck in the closed position, or a failed coil — the system will either refuse to start entirely or run continuously without responding to thermostat commands. Replacing the contactor is one of the most common and cost-effective AC repairs a technician or experienced homeowner can perform.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Rated for 240V high-voltage load circuit | OEM part number HN53CD209 | Factory-matched to Carrier CSA0500H1D specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM Carrier contactor is built to exact factory contact gap, coil pull-in voltage, and current rating specifications. Aftermarket contactors may use lighter-gauge contact material that pits and burns faster under load, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Disconnect and lock out all power before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always photograph existing wiring before removing the old contactor to ensure correct terminal reassignment. Verify coil voltage and pole count match before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eCSA0500H1D\u003c\/strong\u003e split-system condenser. Always verify coil voltage (24V) and pole count against your unit's wiring diagram and data plate before ordering. Our parts specialists are available to confirm fitment prior to purchase — your satisfaction and a correct-fit repair are our top priorities.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909582147955,"sku":"CARRIE-CSA0500H1D-CONTACTOR-HN53CD209","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909582180723,"sku":"CARRIE-CSA0500H1D-CONTACTOR-HN53CD209-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CD209_5f53e0d9-e528-4962-9465-64f5f09b8dac.jpg?v=1782904632","url":"https:\/\/nationalhvacparts.com\/products\/carrier-csa0500h1d-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}