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R911200389 (RD51.1-4B-045-L-FV-FW)

RD 500 Drive Controllers

Rated 4.9 stars (14 total reviews)

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The Bosch Rexroth MPN R911200389 (RD51.1-4B-045-L-FV-FW) is a frequency-controlled converter designed for three-phase electric motors. It offers a rated power output of 45 kW, supports a supply voltage of 380–480 V AC (±10%), and is capable of handling rated currents up to 82 A. The unit measures 500 mm × 320 mm × 270 mm and weighs 33 kg. An integrated 0.6 kW brake chopper with 5.8 Ω resistance is included, alongside feedback of current filter functions and 24 V external standby power. The device provides a nominal efficiency between 0.97 and 0.98, utilizes forced air cooling, and features slip correction and voltage enhancement. The enclosure achieves IP20 protection.

Technical Specifications

Product Type
Drive Converter

Weight
33 kgs

Dimensions
500 mm x 320 mm x 270 mm

Control Type
Frequency Controlled

Supply Voltage Range
380-480 Volts

Radio Interference Degree
A1

Protection Rating
IP20

Rated Current
82 A

Output Power
45 kW

Environment Class
3k3

Rated Current in One Second
139 A

Rated Current in Half a Second
164 A

Brake Resistor
0.6 kW with resistance of 5.8 ohms

Nominal Efficiency
0.97 - 0.98

Signal Processor
32-bit

Motions Control
Three-phase electric motor

Overload Capability
200 percent for half a second

Cooling Method
Forced air from blower unit.

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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Indramat USA 1 Year Warranty

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We offer a repair service for the RD51.1-4B-045-L-FV-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.