50W Single Output Power Supply Unit is provided with 47~63hz input frequency and cold start, 20a/115v, 40a/230V inrush current. The Power Supply Unit is offered with short circuit, overload, over voltage and over heat protection along with lock for each output. The Power Supply Unit is available with AC input voltage of 85~132/ 170~264 VAC selected by switch. 50W Single Output Power Supply Unit finds application in printing and typesetting industries.