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R911288921 (RD52.1-4B-001-L-V1-P1-L1-FW)

RD 500 Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

4 Minutes 6 Seconds

The R911288921 (RD52.1-4B-001-L-V1-P1-L1-FW) is a Bosch Rexroth RD 500 series three-phase converter with a built-in brake chopper, supporting a nominal connecting voltage of 3 x AC 380–480 V and a rated output power of 1 kW. The device features a 24 V DC standby power option for maintaining control electronics operations independent of main input power, enabling uninterrupted parameterization tasks. It is equipped with a primary filter for AC voltage stabilization and recommends using a floating standby power supply through connector X83 to prevent ground loops. The converter employs forced air cooling for continuous operation in ambient temperatures from 0 to 40°C, with an output derating of 2.5% per °C up to 50°C. Drive system firmware is not included. Observe safety instructions detailed in the product manual.

Technical Specifications

Input Power Rating
380 to 480 Volts AC (Three-Phase, 50 / 60 Hertz)

Stand-By Power Feature
Supports 24 Volts DC

Brake Chopper
Included

Main Filter
Included

Output Power Rating
1 Kilowatt

Cooling Method
Forced Air Cooling

Recommended Ambient Temperature Range
0 to 40 Degrees Celsius

Max Permitted Ambient Temperature
50 Degrees Celsius

Feedback of Cable Damping
Supported

Firmware
Needs to be Ordered Separately

Shipping
Global Availability

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 RD52.1-4B-001-L-V1-P1-L1-FW.
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