DC-DC Power Supply

120W Railway Power Supply



Key Features:

  • Overtemperature and overvoltage shutdown
  • Short circuit protection
  • For redundancy and parallel operation
  • Remote on/off
  • Encapsulated case provides maximum shock, vibration and humidity resistance
  • Fixed switching frequency
  • Yellow LED to indicate operating mode
  • 5V standby


Approvals: EN50155, EN50121-3-2 


Technical Data:

Internal Part NumberHEC120
TypeDC to DC Converter
Market Sector Industrial
Railway Certified
Efficiencyup to 91%
Operating Temperature Range-40 to +85 degC
Output Power120W
Input Voltage4-154
Output Voltage3.3V, 5V, 12V
Cooling MethodConvection


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