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R911287862 (RD51.1-4B-007-L-NN-NN-NN-FW)

RD 500 Drive Controllers

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1 Year Warranty Included
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The Bosch MPN R911287862 (RD51.1-4B-007-L-NN-NN-NN-FW) is a three-phase converter unit from the RD500 RD51 series, designed for operation on a nominal input voltage range of 380 to 480 VAC with ±10% tolerance. At 4kHz pulse frequency, this model supports a rated motor output of 7.5kW, an output frequency range of 0–250Hz, and provides 18A rated current and 23A peak current. At 8kHz, the rated motor output is 5.5kW, supporting 0–500Hz output frequency and rated/peak currents of 13A/17A. Forced air cooling is employed at 0.03 m³/s for ambient temperatures from 0 to 40°C. The integrated brake chopper sustains 3.8kW continuous power and 18kW peak power for 1 second, requiring a minimum resistive load of 35Ω. Configuration is accessible via RDwin software.

Technical Specifications

Product Line
RD500 RD51

Line Number
51

Design
1

Unit Type
Converter

Nominal Connecting Voltage
380-480 Volts AC

Maximum AC Input Variation
10%

Rated Motor Output (4khz pulse frequency)
7.5kw

Output Frequency (4khz pulse frequency)
0-250 Hertz

Rated Current (4khz pulse frequency)
18 Amps

Peak Current(4khz pulse frequency)
23 Amps (60 seconds)

Rated Output (4khz pulse frequency)
12 kVA

Peak Power (4khz pulse frequency)
15 kVA (60 seconds)

Rated Motor Output (8khz pulse frequency)
5.5kw

Output Frequency (8khz pulse frequency)
0-500 Hertz

Rated Current (8khz pulse frequency)
13 Amps

Peak Current(8khz pulse frequency)
17 Amps (60 seconds)

Rated Output (8khz pulse frequency)
8.6 kVA

Peak Power (8khz pulse frequency)
11 kVA (60 seconds)

Cooling Type
Forced Air Cooling

Air Flow Requirement
0.03 cubic meters per second

Ambient Temperature Range
0-40 degrees Celsius

Brake Chopper Continuous Power Rating
3.8 kW

Brake Chopper Peak Power Rating
18 kW (1 second)

Minimum Resistance of Brake Chopper
35 Ohms

Commission Software
RDwin

Shipping
Global

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the RD51.1-4B-007-L-NN-NN-NN-FW.
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1620 Old Apex Road
Cary, NC 27513
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Toll Free: 1-888-551-3082
International: 1-919-443-0207

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