{"product_id":"carrier-csa0300m5y-contactor-1k1rxh","title":"OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for CSA0300M5Y | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CSA0300M5Y — HN53CD209\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CSA0300M5Y\u003c\/strong\u003e split-system condenser. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to deliver 240V line power to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a welded contactor, or a burned coil — the system will either refuse to start, hum without running, or run continuously without shutting off.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30A contact rating | 240V load voltage | Direct OEM replacement matching factory specifications for Carrier CSA0300M5Y\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade silver-alloy contacts engineered for the exact duty cycle of the CSA0300M5Y. Generic contactors often use lower-grade contact materials that pit and fail faster under compressor inrush current loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off power at the disconnect and breaker before beginning work. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and wire labels or tape. Photograph all wiring connections before removing any wires. Test coil voltage (24V) and contact continuity after installation.\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 when ordered before 3PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the Carrier \u003cstrong\u003eCSA0300M5Y\u003c\/strong\u003e condenser unit. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909582213491,"sku":"CARRIE-CSA0300M5Y-CONTACTOR-HN53CD209","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909582246259,"sku":"CARRIE-CSA0300M5Y-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_95db6ec6-ba8b-46a0-a6d1-85754db9418b.jpg?v=1782897489","url":"https:\/\/nationalhvacparts.com\/products\/carrier-csa0300m5y-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}