{"product_id":"carrier-rsa0750m5h-contactor-1k1rxh","title":"OEM Carrier 3-Pole Contactor 208\/240V Coil HN53CD209 — RSA0750M5H","description":"\u003ch1\u003eOEM Carrier 3-Pole Contactor 208\/240V Coil HN53CD209 for Model RSA0750M5H\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-specified 3-pole contactor for the \u003cstrong\u003eCarrier RSA0750M5H\u003c\/strong\u003e commercial packaged or rooftop unit. The contactor serves as the primary high-voltage switching relay that controls power delivery to the compressor and condenser fan motor. When the thermostat calls for cooling, a low-voltage signal energizes the contactor coil, closing the contacts and sending line voltage to the condensing components. A failed contactor can cause the unit to refuse to start, chatter loudly, short-cycle, or run continuously even after the thermostat is satisfied.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 3-Pole configuration | 208\/240V coil voltage | 40A FLA (Full Load Amps) | 50A RES rating | OEM Part Number: HN53CD209 | Factory-direct replacement for Carrier RSA0750M5H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor built to exact factory contact material and coil pull-in voltage specifications. Generic aftermarket contactors often use inferior silver-alloy contacts that pit and weld faster under high inrush current loads, shortening service life significantly on commercial equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires complete line-voltage lockout\/tagout before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify coil continuity and contact resistance). Always photograph all wiring terminals before disconnecting. Discharge any capacitors in the circuit before touching adjacent components.\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 cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier RSA0750M5H\u003c\/strong\u003e unit. Verify coil voltage (208\/240V) and pole count against your unit's wiring diagram or data plate before ordering — do not substitute a 24V coil variant. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640294297971,"sku":"CARRIE-RSA0750M5H-CONTACTOR-HN53CD209","price":243.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640294330739,"sku":"CARRIE-RSA0750M5H-CONTACTOR-HN53CD209-GEN","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN53CD209_8c4009d9-96d5-40b0-b6bb-a488d6dd4745.jpg?v=1775015895","url":"https:\/\/nationalhvacparts.com\/products\/carrier-rsa0750m5h-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}