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

RD 500 Drive Controllers

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1 Year Warranty Included
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Current response time:

3 Minutes 6 Seconds

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.

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RS51.1-4G-031-T-NN-FW.
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