This Marcus Transformer, model MTC50-39, is a reliable 50VA control transformer designed for various industrial applications. It operates at 60Hz and features an 80C rise with Class B insulation, ensuring safe and efficient operation. The transformer is built to handle a primary voltage of 600V and a secondary voltage of 120V, making it suitable for a wide range of control systems.The Marcus MTC50-39 is a 50VA control transformer with a 60Hz frequency. It has an 80C temperature rise and Class B insulation. The primary voltage is 600V and the secondary voltage is 120V. Dimensions are 3 x 4 x 3 inches and it weighs 2.25 lbs.