In summary, TDK-Lambda’s DRB series offers very high efficiency levels, small sizes & a low off-load power draw.  The series is available in four package sizes, with output voltages from 5V to 48V and can operate off a wide range AC input.  The units are enclosed in a rugged plastic case and mounts rigidly on the DIN Rail.  It has global safety certifications and is backed by a three year warranty.