R911201174 (RS51.1-4G-050-V-NN-FW)

Name: R911201174 (RS51.1-4G-050-V-NN-FW)
Brand: Indramat Drives
SKU: RS51.1-4G-050-V-NN-FW
Price: 173.00 USD

RD 500 Drive Controllers

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The Bosch Rexroth MPN R911201174 (RS51.1-4G-050-V-NN-FW) is an AC drive from the REFUdrive 500 series, intended for motor control in high-speed grinding spindle applications. The unit features a modular hardware and software design, with a rear-cooled power section that supports external forced ventilation. It provides an integrated brake chopper and a 50 kVA resistor, supports a nominal input voltage of 3× AC 380-480 V, and delivers output frequencies from 0 to 1000 Hz with a current range of 66-83 A. The device includes radio interference suppression and a line reactor, and operates within an ambient temperature of 0–40°C, requiring 0.4 m³/s airflow for cooling.