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R911201246 (RD52.2-4B-018-L-NN-FW)

RD 500 Drive Controllers

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1 Year Warranty Included
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3 Minutes 7 Seconds

The Bosch Rexroth R911201246 (MPN: RD52.2-4B-018-L-NN-FW) is an RD52 series drive unit designed for motor control applications. This converter with an integrated brake chopper operates on a 3 x AC 380-480 V input and supports both induction and synchronous motors. It delivers 18.5 kW and 35 A output at 4 kHz with a frequency range of 0–250 Hz, and 15 kW and 30 A at 8 kHz with a frequency range of 0–500 Hz. The unit requires forced air cooling with a minimum airflow of 0.05 m³/s and offers IP20 protection, suitable for indoor installation. Firmware is not included.

Technical Specifications

Rexroth RD 500 RD52 Type
Drive

Motor Control Applications
Yes

Modular Architecture
Yes

Integrated Brake Chopper
Yes

Voltage
380 to 480 Volts AC

Output
18.5 kilowatts

Additional Functions
Not Available

Firmware
Separate order

Pulse Frequency 1
4 kilohertz

Pulse Frequency 2
8 kilohertz

Rated Motor Output for 4kHz
18.5 kilowatts

Rated Current for 4kHz
35 Amps

Output Frequency Range for 4kHz
0 to 250 Hertz

Rated Motor Output for 8kHz
15 kilowatts

Rated Current for 8kHz
30 Amps

Output Frequency Range for 8kHz
0 to 500 Hertz

Cooling System
Forced Air Cooling

Minimum Airflow for Cooling
0.05 cubic meters per second

Power Dissipation at 4kHz
0.57 kilowatts

Power Dissipation at 8kHz
0.63 kilowatts

Radio Interference Suppression Rating
A1

Degrees of Protection
IP20

Indoor Use
Yes

Installation
Qualified Personnel

Global Shipping
Yes

Common Misspellings

Shipping & Payment Options
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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RD52.2-4B-018-L-NN-FW.
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