{"product_id":"em500s12ac-500w-dual-circuit-outdoor-magnetic-12-24vac-transformer","title":"EM500S12AC 500W Dual-Circuit Outdoor Magnetic 12\/24VAC Transformer","description":"\u003ch3\u003eEM500S12AC 500W Dual-Circuit Outdoor Magnetic 12\/24VAC Transformer\u003c\/h3\u003e\n\u003cp\u003eThe EM500S12AC is a 500W outdoor magnetic AC transformer designed for higher-capacity low voltage lighting systems. Its dual-circuit 12\/24VAC configuration provides up to 250W per circuit, allowing power to be distributed across two protected lighting circuits inside a durable NEMA 3R steel enclosure.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the EM500S12AC?\u003c\/h3\u003e\n\u003cp\u003e✔ \u003cstrong\u003e500W Total Capacity\u003c\/strong\u003e\u003cbr\u003eSupports up to 500W total load, with a maximum of 250W per circuit.\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eDual 12\/24VAC Circuits\u003c\/strong\u003e\u003cbr\u003eProvides two protected output circuits for flexible load distribution in larger lighting systems.\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eOutdoor NEMA 3R Enclosure\u003c\/strong\u003e\u003cbr\u003eBlack powder-coated steel housing protects the encapsulated transformer.\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eDedicated Circuit Protection\u003c\/strong\u003e\u003cbr\u003eA manually reset primary breaker and separate 25A secondary breakers protect the two output circuits.\u003c\/p\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 120V 60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Input Current:\u003c\/strong\u003e 5A at full load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage - No Load:\u003c\/strong\u003e 12.4 \/ 24.8VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage - Fully Loaded:\u003c\/strong\u003e 11.8 \/ 23.8VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Total Wattage:\u003c\/strong\u003e 500W total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Wattage Per Circuit:\u003c\/strong\u003e 250W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Output Current:\u003c\/strong\u003e 20.8 \/ 10.4A per circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 93%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Regulation:\u003c\/strong\u003e 0.05%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Certification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Black powder-coated steel, outdoor NEMA 3R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransformer Construction:\u003c\/strong\u003e Encapsulated magnetic transformer with separated primary and secondary windings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e Conforms to UL 2108; certified to CSA C22.2 No. 250.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Breaker:\u003c\/strong\u003e 7A manually reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Breakers:\u003c\/strong\u003e 25A per circuit, manually reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.4 × 4.6 × 4.1 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Select the 500W dual-circuit 12\/24VAC outdoor magnetic transformer\u003c\/h3\u003e\n\u003cp\u003eChoose the EM500S12AC when a project requires a 500W dual-circuit 12\/24VAC outdoor magnetic transformer and the available supply matches 120V 60Hz. Confirm that every connected fixture accepts 12\/24VAC and that the planned load fits the transformer’s circuit configuration. Its black powder-coated NEMA 3R steel enclosure is intended for outdoor transformer installations.\u003c\/p\u003e\n\u003cp\u003eThis model uses a dual-circuit configuration with a listed limit of 250W per circuit; distribute fixture loads so each circuit and the total system remain within their listed limits. The specifications show 12.4 \/ 24.8VAC at no load and 11.8 \/ 23.8VAC at full load, giving installers a reference for expected output as the connected load changes. Final transformer location, wiring, circuit protection and code compliance should be reviewed by a qualified installer before the system is energized.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat lighting systems can use the EM500S12AC?\u003c\/strong\u003e\u003cbr\u003eThis 500W dual-circuit 12\/24VAC outdoor magnetic transformer is intended for compatible low-voltage landscape or architectural lighting that accepts 12\/24VAC power. The connected load must stay within the listed 500W capacity and 20.8 \/ 10.4A per circuit output-current limit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the EM500S12AC dimmable?\u003c\/strong\u003e\u003cbr\u003eDimming is not listed as a feature in the supplied product data. Confirm dimmer compatibility in the EMCOD specification sheet before designing a dimming system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transformer be installed outdoors?\u003c\/strong\u003e\u003cbr\u003eYes. Its black powder-coated NEMA 3R steel enclosure is specified for outdoor transformer installations. Final placement and wiring must still follow the product instructions and applicable electrical requirements.\u003c\/p\u003e\n\u003cp\u003eCompare voltage, capacity, circuit and enclosure options in our \u003ca href=\"\/collections\/transformer\"\u003elow-voltage landscape lighting transformer collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOfficial EMCOD Specification Sheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.emcod.com\/products\/info\/download?spec_sheet=281\" target=\"_blank\" rel=\"noopener\"\u003eDownload PDF\u003c\/a\u003e\u003c\/p\u003e","brand":"EMCOD","offers":[{"title":"Default Title","offer_id":50902783951091,"sku":"EM500S12AC","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/5752\/7795\/files\/Capturadepantalla2026-09-06ala_s_10.34.40p.m..png?v=1788755686","url":"https:\/\/shopluminouslighting.com\/products\/em500s12ac-500w-dual-circuit-outdoor-magnetic-12-24vac-transformer","provider":"Luminous Landscape LLC","version":"1.0","type":"link"}