Handwritten on little white paper label at top back edge
On sticker with what looks like seimens logo on it at top back edge
overall: 11 in x 18 in x 22 1/2 in
This power supply has a metal frame with exposed electronics includig a large transformer, fans, heat sinks, and circuit board racks. At the back there is a high voltage cover with lightning bolt indicators. There is a hinged angle iron on the right edge. At the front there is a control panel with a selector switch: 0, -12v, +12v, +5v.