{"product_id":"carrier-roa0500h2y-contactor-1k1rxh","title":"OEM Carrier 3-Pole Contactor 208\/240V 40A for ROA0500H2Y","description":"\u003ch1\u003eOEM Carrier 3-Pole Contactor 208\/240V 40A for Model ROA0500H2Y\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier ROA0500H2Y\u003c\/strong\u003e rooftop unit. The contactor acts as the master electrical switch in the condensing section: when the thermostat sends a 208\/240V coil signal, the contactor closes its three poles to deliver line voltage to the compressor and condenser fan motor simultaneously. A failed contactor is one of the most common causes of a commercial rooftop unit that powers up but will not cool — you may hear a hum or buzzing from the contactor coil with no motor response, or the system may fail to energize at all.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 3-pole configuration | 208\/240V coil voltage | 40A Full Load Amps (FLA) | 50A Resistive rating | 50\/60 Hz | Factory-matched OEM tolerances\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, contact gap geometry, and arc suppression rated for the ROA0500H2Y's electrical load. Generic contactors may use inferior contact materials prone to pitting and early failure under commercial duty cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires full lockout\/tagout of the unit's main disconnect before opening the control panel. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removal. Verify 208\/240V coil energization after install with a multimeter at coil terminals.\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 cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for Carrier model \u003cstrong\u003eROA0500H2Y\u003c\/strong\u003e commercial rooftop equipment. Verify coil voltage (208\/240V) and pole count (3-pole) against your unit's wiring diagram and data plate before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy — contact us today and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640303210867,"sku":"CARRIE-ROA0500H2Y-CONTACTOR-HN53CD209","price":118.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640303243635,"sku":"CARRIE-ROA0500H2Y-CONTACTOR-HN53CD209-GEN","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN53CD209_f95bc11a-1a6a-4549-8a99-8fd15149ff61.jpg?v=1775015863","url":"https:\/\/nationalhvacparts.com\/products\/carrier-roa0500h2y-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}