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R911203636 (RD52.1-5B-075-L-F1-FW)

RD 500 Drive Controllers

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The R911203636 (RD52.1-5B-075-L-F1-FW) is a Bosch Rexroth AC drive converter designed for motion control applications. It operates with a three-phase AC 500 V nominal connecting voltage and provides a rated power output of 75 kW. The model includes a built-in brake chopper with a power capacity between 45 and 148 kW and features forced air cooling via an integrated fan using external air. Input voltage supports a 10% fluctuation, frequency ranges from 50–60 Hz input to 0–500 Hz output, and the converter’s switching frequency is either 4 or 8 kHz. It delivers a continuous current of 108/80 A, accommodates operation between 0–40°C ambient temperature, and up to 1000 meters altitude. The device meets IP20 standards and requires installation in a cabinet with at least IP54 protection. Power loss is specified at 2.3 kW, and unit weight is approximately 52 kg. The drive converter is supplied preconfigured and includes a current filter feedback.

Technical Specifications

Product Type
Drive Converter

Power Supply Unit
AC 500 V

Output Power
75 kW

Voltage Frequency Range
50 - 60 Hz to 0 - 500 Hz

Continuous Current
108/80 A

Operating Temperature
0 to 40 degrees Celsius

Allowable Altitude
1000 meters above sea level

Weight
52 kg

Protection Standard
IP20

Current Filter Feedback
Yes

Power Loss
2.3 kW

Brake Chopper Continuous Power
45 kW

Brake Chopper Maximum Power
148 kW

Brake Chopper Minimum Resistance
4.4 Ohm

Size Class
D

Required Configuration
Yes

Firmware
To be ordered separately

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1620 Old Apex Road
Cary, NC 27513, USA

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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 RD52.1-5B-075-L-F1-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.