R911221500 is part of the TVM Supply Modules Series by Indramat Power Supplies.
Configuration code: 2 Nominal bus voltage: 300VDC Cooling mode: Natural convection LED display: Present for easy troubleshooting Input voltage: 220VAC with three phases Line fuse current rating: 6.3A Frequency: 50Hz to 60Hz AC power input terminal: L1, L2, and L3 Ground rail: Located at the top for common grounding