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R911200548 (RD51.1-4B-055-L-D1-FW)

RD 500 Drive Controllers

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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

5 Minutes 23 Seconds

The R911200548 (RD51.1-4B-055-L-D1-FW) is a converter from the Indramat Refu RD 500 drive system, engineered for three-phase AC input (380–480 V, ±10%) and supporting a 55 kW rated output. This module enables control of both synchronous and induction motors using pulse-width modulated output voltage and high-speed semiconductor switching. It includes an integrated brake chopper, forced air cooling, and basic line features such as U/f curve control, plus built-in filters for radio interference suppression and line reactors to limit harmonic feedback. The design features IP20 protection per EN 60529, a maximum ambient operating temperature of 40°C, and accommodates connection for RZC01.1-XT with NAMUR terminal strip and 24 V standby power.

Technical Specifications

Product Name
RD 500 Drive System

Configuration
Modular

Control Method
Voltage Frequency Control

Power Rating
55kW

Operational Voltage
380-480V

Voltage Tolerance
±10%

Cooling Method
Forced Air

Cooling Requirement
0.4m3/s

Size Class
C

Ingress Protection Rating
IP20

Maximum Ambient Temperature
40oC

Global Shipping
Available

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the RD51.1-4B-055-L-D1-FW.
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