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R911201009 (RD51.2-4B-003-L-A1-FW)

RD 500 Drive Controllers

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The R911201009 (RD51.2-4B-003-L-A1-FW) is a Bosch Rexroth RD series three-phase drive controller designed for motor control applications. It is equipped with a built-in brake chopper and supports input voltages from 380 to 480 V AC ±10%. At a 4 kHz pulse frequency, it delivers a rated output power of 3 kW, output frequency range of 0 to 250 Hz, rated current of 7.5 A, and peak current of 13 A for 1 second, with a rated output of 4.9 kVA. Increasing the pulse frequency to 8 kHz reduces output power to 2.2 kW. The device supports forced air cooling, requiring a minimum airflow of 0.03 m³/s, and features filter current feedback, starting lockout, and stand-by power capability with an external 24 V DC supply.

Technical Specifications

Product Type
Drive Controller

Input Voltage
380 to 480 Volts AC

Input Phase
Three-Phase

Output Power at 4 kHz
3 kilowatts

Output Frequency at 4 kHz
0 to 250 Hertz

Rated Current at 4 kHz
7.5 Amps

Peak Current at 4 kHz
13 Amps

Output Power at 8 kHz
2.2 kilowatts

Output Frequency at 8 kHz
0 to 500 Hertz

Rated Current at 8 kHz
5.8 Amps

Peak Current at 8 kHz
9.9 Amps

Rated Output at 4 kHz
4.9 kVA

Rated Output at 8 kHz
3.8 kVA

Continuous Power of Brake Chopper
1.5 kilowatts

Peak Power of Brake Chopper
10 kilowatts

Minimum Resistance Value
60 Ohms

Cooling Method
Forced Air Cooling

Recommended Airflow Rate
0.03 m3/s

Standby Power Supply
24 Volts DC

Firmware
To be ordered separately

Shipping
Global

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1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
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 RD51.2-4B-003-L-A1-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.