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Mean Well DIN Rail Type DC-DC Converter 24V 120W

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  • SKU: DDR-120B-24
  • Manufacturer: Mean Well
  • Data Sheet: Download

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Product Information

Mean Well DDR-120B-24

DC-DC Ultra slim Industrial DIN rail converter Input 16.8-33.6Vdc Single Output 24Vdc at 5A

DDR-120 series is a 120W DIN Rail type DC-DC converter with main features including DIN rail-type easy installation, ultra slim width (32mm), 2:1 wide input voltage, fanless design, -40~+70 C wide operating temperature, 4KVdc 1/O isolation, 150% peak load, adjustable output voltage and full protective functions. This series of models has various input options: 9~18V/16.8~33.6V / 33.6~67.2V / 67.2~154V and various output options: 12V/24V/ 48V and can be used for industrial & railway control, security control, communication system and other fields. Suitable applications include DC buck/boost regulator, increasing system insulation level and voltage drop compensation along cable...etc.


  • Compliance to EN50155 and EN45545-2 railway standard
  • Width only 32mm
  • 2:1 wide input range
  • -40~+70 C wide working temperature
  • 150% peak load capability
  • DC output adjustable
  • Cooling by free air convection
  • Can be installed on DIN rail TS-35/7.5 or 15
  • Protections: Short circuit/ Overload Over voltage/ Input reverse polarity Input under voltage protection
  • 4KVdc l/O isolation (Reinforced isolation)
  • 3 years warranty


  • Bus,tram,metro or railway system
  • Industrial control system
  • Semi-conductor fabrication equipment
  • Factory automation
  • Electro-mechanical
  • Wireless network
  • Telecom and datacom systems


Specifications DDR-120B-24

Series DDR-120
Application EN/UL/IEC 62368-1
Technology DC/DC
Power Format DIN rail
Output Power (W) 120
Output Current (A) 5
Input Voltage (V) 16.8 - 33.6
IP Rating No IP assigned
Width (mm) 32
Height (mm) 125.2
Depth (mm) 102
Dimming Technology No Dimming
Commodity 8504409090
Warranty pack 36 Months Bring-In
RoHS Compliant
Net weight (gram) 600
Operating Temperature -40°C ~ 70°C (With Derating)


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