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R911200057 (RD52.1-4B-037-L-NN-FW)

RD 500 Drive Controllers

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The Bosch Rexroth model R911200057 (RD52.1-4B-037-L-NN-FW) is a drive converter designed for motion control applications. This unit supports input voltages of three-phase AC 380 to 480 V with a ±10% tolerance and operates at a nominal current of 68 A, with a short-duration peak current of 136 A. It provides a rated output of 37 kW, with a rated apparent power of 45 kVA and a peak value of 68 kVA. The output frequency range is 0 to 250 Hz. Forced air cooling is used via an integrated fan or blower. The device integrates a brake chopper for converting braking power to heat. It is rated to operate at altitudes up to 1000 meters and relative humidity below 90%, with IP 20 protection against solid particles. Exposure to liquids should be avoided.

Technical Specifications

Product Type
Drive Converter

Design
Robust and Lightweight

Installation Height
Max 1000 meters

Relative Humidity
Less than 90%

Output Frequency
0 - 250 Hz

Cooling System
Fan or blower

Maximum Output
37kW

Brake Chopper
Built-in

Input Supply Voltage
Three-phase AC 380 - 480 V

Voltage Tolerance
10%

Degree of Protection
IP 20

Rated Current
68A

Peak Current
88A

Overload Current (1s)
116A

Overload Current (0.5s)
136A

Rated Output
45 kVA

Peak Power
68 kVA

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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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We offer a repair service for the RD52.1-4B-037-L-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.