R911200780 (RD51.1-5B-022-L-V1-FW)

Name: R911200780 (RD51.1-5B-022-L-V1-FW)
Brand: Indramat Drives
SKU: RD51.1-5B-022-L-V1-FW
Price: 449.00 USD
Rating: 4.5 (9 reviews)

RD 500 Drive Controllers

Rated 4.5 stars (9 total reviews)

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The R911200780 (RD51.1-5B-022-L-V1-FW) is a Rexroth Indramat drive controller designed for precise operation of synchronous and induction motors within industrial environments. It is constructed to the IP20 protection class and meets A1 level radio interference suppression standards. The controller includes an integrated brake chopper with a minimum resistance of 11.7 ohms to protect against overcurrent during rapid deceleration. Rated for 22 kW power output, the unit supports a nominal connecting voltage of 3 x AC 500 V ±10%. It is capable of continuous operation at 43 A, with peak currents of 72 A for 1 second and 85 A for 0.5 seconds. The device requires a 24 V external standby power supply, applies forced air cooling for ratings above 110 kW, and uses modular hardware and factory-assigned firmware. The controller weighs 36 kg and is designed without hazardous materials such as asbestos, silicon, or chlorinated hydrocarbons.