Alstom GB120-208/02 211DE11508/05/4 DC Power Converter Unit is an Alstom DC power converter module identified by the part number 211DE11508/05/4 (also listed as 211DE11508/05/4 ESD DC Power Convertor Unit).
The GB120-208/02 designation and the ESD variant label indicate a specific DC conversion function used within Alstom equipment.
Online listings identify this unit under the same codes as an Alstom DC power converter module, typically offered as a replacement component for legacy systems that require this exact module.
