The TEP 150WI Series has standard output voltages at 12, 15, 24, 28, and 48V_DC with a +20% output adjustment range to cover a wide variety of standard applications in railway and industrial markets. This series also has extremely wide 4:1 input voltage ranges at 9 - 36, 18 – 75V_DC , as well as 43 – 160V_DC covering railway requirements.