R912000456 is part of the FE Frequency Converters Series by Indramat Drives.
Specs
Product: Rexroth Frequency Converter Fe drive system Design: Modular Installation: Simple Maximum Output Frequency: 650 Hz Power Rating: 19 kW Mains Connecting Voltage: Three-phase AC supply of 400 V Control Unit: Large, for commissioning External Brake Chopper and Resistor: Not built-in