{"product_id":"carrier-c50a305062-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V-24V for C50A305062","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model C50A305062\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer for the \u003cstrong\u003eCarrier C50A305062\u003c\/strong\u003e commercial packaged unit, supplied under part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, contactor coil, and all control-circuit components. When this transformer fails — due to a short, overload, or winding burnout — the entire control circuit goes dead: the thermostat goes blank, the contactor won't pull in, and the system produces no heating or cooling response whatsoever. Replacing with an OEM-matched unit restores precise voltage output and protects downstream controls from under- or over-voltage damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | Factory-matched impedance and VA capacity for Carrier C50A305062 control boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers (HT01BD236 \/ HT01BD702) are wound to exact Carrier tolerances, ensuring stable 24V output under full control-circuit load. Generic units often run outside ±5% voltage tolerance, risking nuisance lockouts or premature contactor coil failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Verify 24V output at secondary terminals after installation before restoring full power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Stocked in our warehouse and ships the same business day when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A305062\u003c\/strong\u003e commercial rooftop\/packaged unit. Cross-references OEM part numbers HT01BD236 and HT01BD702. Confirm primary voltage (120V) and VA rating (40VA) on your unit's data plate before ordering. Our parts specialists are available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909694017907,"sku":"CARRIE-C50A305062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909694050675,"sku":"CARRIE-C50A305062-TRANSFORMER-HT01BD236-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BD236_1d8c3362-2ebc-4937-b183-99c4f59cb369.jpg?v=1782939350","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a305062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}