Product Name: DC Converter Module
Manufacturer: Alstom
Part Number: 029.359.329
Dimensions: Approximately 3.2 cm X 26.7 cm X 17.8 cm (1.3 in X 10.5 in X 7.0 in)
Weight: Approximately 0.5 kg (1 lbs 0.0 oz)
Potential Input/Output: One listing mentions " Input: 24 VDC; OUTPUT: 5/+/-15 VDC" . This suggests the voltage conversion it performs.
Category: Power Supply