R911200041 (RD51.1-4N-007-L-NN-FW)

RD51 Drive Control Devices

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The Rexroth R911200041 (RD51.1-4N-007-L-NN-FW) is an AC motor drive control device that modulates motor speed by altering the supplied frequency. Primarily used in chemical processing, machine tools, and packaging systems, this device guarantees a constant voltage-frequency ratio to generate the needed torque. Safety guidelines issued by the manufacturer need strict adherence. A professional electrician must validate the electrical and mechanical systems before initial commissioning. The device is armed with a power output of 7.5 kilowatts and operates with a Converter 3 x AC 380-480 volts, allowing a +/- 10% variance. The device is designed to function without an inbuilt brake chopper, handles a U/f curve control line, and operates in forced air-cooling mode up to 110 kilowatts. Filters and line reactors are incorporated to minimize harmonic feedback. This device also complies with EMC Directives for noise emission and immunity, adding to its robustness. Shipments are available globally, backed with a one-year warranty from Indramat USA.