UL 60950-1, IEC/EN 60950-1. UL/cUL, CB, Raylway. 3. Traco 150W Single Output Regulated Isolated DC-DC Converter - TEP-150WI Series. 150W single output regulated isolated DC-DC converter modules with shielded metal case, heat sink, screw terminal connections and flanges for easy chassis or wall mounting. These 150W single output regulated isolated DC-DC converter modules have a high efficiency which allows an operating temperature up to +50°C with natural convection cooling and an adjustable output voltage with constant current characteristic for battery charger applications. The TEP150WI series of DC-DC converters features high immunity against surge, burst, radiated and conducted disturbances as well as high resistance to shock and vibration. These regulated isolated DC-DC converter modules are ideal for railway and industrial applications. Shielded metal case with screw terminals Ultra wide 4:1 input voltage ranges 8.5–36, 16.5–75, 43–160 VDC EN 50155 approval for railway applications Very high efficiency up to 87% Constant current output characteristic for battery load applications Optional with input filter to meet EN55022 class B Overtemperature protection Wide Operating temperature range: –40°C to +75°C Reverse input protection Under voltage lock-out I/O isolation 2250 VDC Easy chassis and wall mounting