The Marcus MTC350-20 is a reliable and efficient control transformer designed for industrial and commercial applications. Built with quality copper windings and featuring heatproof insulation, this transformer ensures dependable performance and longevity. Its compact design saves valuable space, and it is manufactured in North America, meeting rigorous UL, CSA, CUL, and CE agency standards. This transformer is installer-friendly, making both connection and mounting straightforward.The Marcus MTC350-20 is a 350VA, single-phase, open-type control transformer. It features a primary voltage of 120V and a secondary voltage of 24V. The transformer has a temperature rise of 80°C and an insulation class of B (130°C). It operates at a frequency of 50/60Hz and has an additive polarity. The noise level is less than 40dB. The dimensions are 5.75 inches in length, 4.50 inches in width, and 3.75 inches in height.