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R911201468 (RS51.1-4G-031-T-NN-FW)

RD 500 Drive Controllers

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The R911201468 (RS51.1-4G-031-T-NN-FW) is a drive control device for high-speed grinding spindles, featuring built-in brake chopper and resistor for overvoltage protection. It operates on a three-phase AC supply (380-480 V, ±10%, 50/60 Hz), with a rated power output of 31 kVA. Voltage frequency control (VFC) enables efficient regulation of spindle motors. The unit meets IP20 ingress protection, preventing solid objects greater than 12.5 mm from entering. Installation must be performed by trained personnel using verified Rexroth components, maintaining specified temperature ranges, side ventilation clearance, and installation altitudes up to 1,000 meters.

Technical Specifications

Product Type
Drive Converter

Control Technique
Voltage Frequency Control

Operating Frequency
50/60 Hz

Motor Power
31 kW

Protection Features
Brake Chopper, Brake Resistor

Protection Rating
IP20

Max Altitude (Deployment)
1000 meters/ sea level

Operational Temperature
As per RD documentation

Ventilation Requirement
Air passage gap at the sides

Accessories Compatibility
Rexroth verified accessories.

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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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Indramat USA 1 Year Warranty

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We offer a repair service for the RS51.1-4G-031-T-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.