When selecting a transformer for your project you may have come across medical grade transformers and wondered "what is the difference between a medical grade transformer and a standard transformer?".
Triad Magnetics Blog
With a modular design featuring four interchangeable input prongs for use around the globe, the highly versatile WSX Series Wall Plug-In Power Supply from Triad Magnetics offers exceptional flexibility, performance and value in a device meeting the latest Level VI energy efficiency requirements.
Because of their former reliance on linear technology, external power supplies were notoriously quite inefficient, achieving efficiency levels as low as 50%. Equally problematic, external power supplies typically continued to draw power in no-load situations.