Block 6300VA Isolating Transformer, 400V ac Primary, 400V ac Secondary, Length: 410mm, Width: 175mm, Depth: 360mm, Dimensions: 410 x 175 x 360mm, Minimum Operating Frequency: 50Hz, Maximum Operating Frequency: 60Hz, Maximum Temperature: +50°C, Weight: 55kg, MPN: TT3 6,3-4-4