Trimmed for railway applications, the CCR050 Series dc/dc converters comply with the requirements of EN50155 including EN 50121-3-2, EN55011, and EN 61373. The components accept a nominal input voltage range from 24 to 110 Vdc and provide up to 50W of output. Nominal output voltage is 24 Vdc and models with alternative output voltages are available upon request. Efficiency levels are better than 85% at a 72V input voltage. Additionally, the converters feature faston terminals for both input and output connections and are available open frame or housed in a metal enclosure. The open frame version measures 105 mm x 100 mm x 35.5 mm. MARTEK POWER, Torrance, CA. (310) 202-8820.