{"product_id":"ringkerntransformator-400va-120v-usa-version","title":"Toroidal transformer 400 VA – 120 V → 12 V AC | USA version","description":"\u003ch2\u003eToroidal Transformer 400 VA 120 V to 12 V AC Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e400 VA toroidal transformer\u003c\/strong\u003e is designed for operation on 120 V power grids, making it particularly suitable for applications in the USA. It converts \u003cstrong\u003e120 V AC to 12 V AC\u003c\/strong\u003e and provides a current of 33.3 A on the secondary side.\u003c\/p\u003e\n\n\u003cp\u003eThanks to its toroidal design, the transformer operates efficiently, with low magnetic leakage and relatively quietly. It is particularly suitable for high-performance \u003cstrong\u003e12 V low-voltage lighting, halogen systems, and suitable 12 V AC LED applications\u003c\/strong\u003e, as well as for technical installations with corresponding power requirements.\u003c\/p\u003e\n\n\u003ch3\u003e400 VA for high-performance low-voltage applications\u003c\/h3\u003e\n\n\u003cp\u003eWith a rated power of \u003cstrong\u003e400 VA\u003c\/strong\u003e, the toroidal transformer offers sufficient power reserve for several suitable loads. On the secondary side, 12 V AC is available at a current of 33.3 A.\u003c\/p\u003e\n\n\u003ch3\u003e120 V input for the US market\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e120 V toroidal transformer\u003c\/strong\u003e is specially designed for corresponding US power grids and operates at a mains frequency of 60 Hz. This makes it suitable for export luminaires, US lighting projects, and technical applications with the appropriate input voltage.\u003c\/p\u003e\n\n\u003ch3\u003e12 V AC for halogen and suitable LED systems\u003c\/h3\u003e\n\n\u003cp\u003eOn the output side, the transformer delivers \u003cstrong\u003e12 V AC alternating current\u003c\/strong\u003e. It is therefore suitable for compatible low-voltage halogen lighting as well as LED luminaires that are explicitly intended for operation with 12 V AC.\u003c\/p\u003e\n\n\u003ch3\u003eCompact toroidal design\u003c\/h3\u003e\n\n\u003cp\u003eWith a diameter of \u003cstrong\u003e140 mm\u003c\/strong\u003e and a height of 66 mm, the transformer offers a compact design despite its high performance. The toroidal technology supports quiet operation and low magnetic leakage.\u003c\/p\u003e\n\n\u003ch3\u003eTypical areas of application\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e12 V low-voltage halogen lighting\u003c\/li\u003e\n\n  \u003cli\u003e12 V AC LED luminaires\u003c\/li\u003e\n\n  \u003cli\u003eCable and rail systems\u003c\/li\u003e\n\n  \u003cli\u003eArchitectural and object lighting\u003c\/li\u003e\n\n  \u003cli\u003eWorkshop and technical projects\u003c\/li\u003e\n\n  \u003cli\u003eUS export goods and 120 V applications\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Toroidal transformer\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Sompex GmbH \u0026amp; Co. KG\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eVersion:\u003c\/strong\u003e US version\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Toroidal \/ round\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003ePrimary voltage:\u003c\/strong\u003e 0–120 V AC\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eMains frequency:\u003c\/strong\u003e 60 Hz\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eSecondary voltage:\u003c\/strong\u003e 0–12 V AC\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eSecondary current:\u003c\/strong\u003e 33.3 A\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eRated power:\u003c\/strong\u003e 400 VA\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eInsulation class:\u003c\/strong\u003e Class B\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 140 mm\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 66 mm\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eApplication area:\u003c\/strong\u003e Indoor use\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant note\u003c\/h3\u003e\n\n\u003cp\u003eThe transformer delivers \u003cstrong\u003e12 V AC alternating current\u003c\/strong\u003e and is therefore not suitable for devices that explicitly require 12 V DC direct current.\u003c\/p\u003e\n\n\u003cp\u003eThe total power of the connected devices must not \u003cstrong\u003eexceed 400 VA\u003c\/strong\u003e. The transformer is intended exclusively for indoor use and should be professionally protected and installed.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003ch4\u003eFor what input voltage is the toroidal transformer designed?\u003c\/h4\u003e\n\u003cp\u003eThe toroidal transformer is designed for an input voltage of 120 V AC at a mains frequency of 60 Hz.\u003c\/p\u003e\n\n\u003ch4\u003eWhat output voltage does the transformer provide?\u003c\/h4\u003e\n\u003cp\u003eThe transformer provides an output voltage of 12 V AC alternating current on the secondary side.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the power of the toroidal transformer?\u003c\/h4\u003e\n\u003cp\u003eThe toroidal transformer has a rated power of 400 VA and provides a secondary current of 33.3 A.\u003c\/p\u003e\n\n\u003ch4\u003eCan the transformer be used for LED lighting?\u003c\/h4\u003e\n\u003cp\u003eThe transformer can be used for LED luminaires if they are explicitly suitable for operation with 12 V AC alternating current.\u003c\/p\u003e\n\n\u003ch4\u003eWhat are the dimensions of the toroidal transformer?\u003c\/h4\u003e\n\u003cp\u003eThe toroidal transformer has a diameter of 140 mm and a height of 66 mm.\u003c\/p\u003e","brand":"Sompex GmbH \u0026 Co. 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