Siemens 0.5kVA Isolating Transformer, 230V ac, 400V ac Primary 2 x, 115V ac Secondary. Mounting Type: DIN Rail. Length: 121mm. Width: 122mm. Depth: 134mm. Dimensions: 121 x 122 x 134mm. Minimum Operating Frequency: 50Hz. Maximum Operating Frequency: 60Hz. Maximum Temperature: +40°C. Weight: 7kg. MPN: 4AM4842-8JD40-0FA0