{"product_id":"carrier-roa0500l5d-contactor-1k1rxh","title":"OEM Carrier 3-Pole Contactor 208V Coil HN53CD209 for ROA0500L5D","description":"\u003ch1\u003eOEM Carrier 3-Pole Contactor 208V Coil — HN53CD209 for Model ROA0500L5D\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) is the factory-specified high-voltage switching relay for the \u003cstrong\u003eCarrier ROA0500L5D\u003c\/strong\u003e packaged or commercial condensing unit. The contactor acts as the master electrical gate for the system: when the thermostat or control board sends a low-voltage signal, the contactor coil energizes and closes the high-voltage circuit, delivering power to the compressor and condenser fan motor. A failed contactor means the outdoor unit receives no voltage — the system simply won't run, or it may short-cycle immediately after a call for cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 3-pole configuration | 208V coil voltage | Factory-matched contact rating | OEM part number HN53CD209 | Designed for Carrier ROA0500L5D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This genuine Carrier OEM contactor ensures exact coil pull-in voltage at 208V — critical for commercial applications where generic 24V coil substitutes will not function on a 208V control circuit, causing repeated no-start faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Commercial voltage is present at this unit. Always disconnect and lock out all power sources before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter (to verify coil continuity and contact resistance). Photograph all wiring before disconnecting. Licensed HVAC technician installation strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier ROA0500L5D\u003c\/strong\u003e. Verify your unit's control circuit voltage is 208V before ordering — this contactor will not operate correctly on a 24V control circuit. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — in stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640302883187,"sku":"CARRIE-ROA0500L5D-CONTACTOR-HN53CD209","price":90.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640302915955,"sku":"CARRIE-ROA0500L5D-CONTACTOR-HN53CD209-GEN","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN53CD209_dfb96040-d099-4ee0-9664-7f1e8b03529f.jpg?v=1775015903","url":"https:\/\/nationalhvacparts.com\/products\/carrier-roa0500l5d-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}