DDR-240 seriesis a 240W DIN Rail type DC-DC converter with main features including DIN rail-type easy installation, ultra slim width (40mm), 2:1 wide input voltage, fanless design, -40-+70°C wide operating température, 4KVdc I/O isolation, 150% peak load, current sharing,DC OK, adjustable output voltage and full protective functions. This sériés of models has various input options: 16.8-33.6V/33.6-67.2V/ 67.2-154V and two output options: 24V / 48V and can be used for industrial & railway control, security control, communication System and other fields. Suitable applications include to DC buck/boost regulator, increasing System insulation level and voltage drop compensation along cable...etc.