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R911201162 (RS51.1-4G-031-V-NN-FW)

RD 500 Drive Controllers

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The Rexroth MPN R911201162 (RS51.1-4G-031-V-NN-FW) is part of the REFUdrive 500 drive system and features AC drive converters, DC inverters, rectifiers, and regenerative drive converters. This unit utilizes U/f control, and is designed for input voltages from 380 V AC to 480 V AC (±10%). It is equipped with a built-in brake chopper rated at 24.8 kW and an integrated braking resistor with a minimum resistance of 12 Ohms. Rated for 31 kVA, it is suitable for drive control of high-speed grinding spindles. Operation is supported within a 0°C–40°C temperature range and requires a 0.3 m³/s cooling airflow. The protection conforms to EN 60529, and EMC compliance is achieved with integrated radio interference suppression and line reactors. The unit supports graphic display interfaces and REFUwin software for remote configuration.

Technical Specifications

Cooling Design
Ventilation at rear, out of cabinet

Input Voltage
Three-phase, 380-480V AC (± 10%)

Brake Chopper
Built-in, Continuous Power 24.8kW

Braking Resistor
Built-in, Minimum Resistance 12 Ohms

Recommended Cooling Airflow
0.3m3/s

Ambient Operating Temperature
0oC to 40oC

Ingress Protection Rating
IP 20

EMC Compliance
Yes, noise immunity and emission

Display
Graphic Display on operator panel

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Global

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1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RS51.1-4G-031-V-NN-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.