R911201491 (RD51.1-5N-022-L-DF-FW)

RD 500 Drive Controllers

Rated 4.1 stars (13 total reviews)

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The Bosch Rexroth drive control, MPN R911201491 (RD51.1-5N-022-L-DF-FW), is designed for use in industrial machinery as part of the RD series, employing U/f curve control and supporting operation with three-phase induction or synchronous motors. It offers selectable pulse frequencies of 4kHz and 8kHz and features a 22 kW rated power at 3 x AC 500V ±10%. This unit is equipped with forced air cooling (for ≥110 kW configurations), external 24 V stand-by power connection, and supports feedback of current filter signals (U6, V6, W6). The device is compliant with EMC noise emission and immunity standards, integrates AL electrolytic capacitors for the DC link, and accommodates up to 90% relative humidity. Installation, grounding, and service must be performed by trained personnel in accordance with official documentation and safety measures such as emergency stop circuits are required. The unit does not include a built-in brake chopper and is compatible with manufacturer-approved accessories only.