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R911200281 (RD51.1-4B-315-R-V1-FW)

RD 500 Drive Controllers

Rated 4.8 stars (5 total reviews)

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The Bosch Rexroth drive controller R911200281 (RD51.1-4B-315-R-V1-FW) is designed for use with induction and synchronous motors, supporting a motor output rating of 315 kW and operating at 3-phase AC input voltages from 380 to 480 V (±10%). The device features pulse frequencies of 4 kHz and 8 kHz, a modular design, built-in mains filter, factory-assigned firmware, and supports U/f curve control. It includes integrated 24 V standby power, an internal brake chopper, and liquid cooling with an internal pump for systems rated at 132 kW and above. The enclosure holds an IP20 protection rating according to EN 60529 and the device complies with 89/392/EC machine directives. During operation, restricted access is required due to potentially hot surfaces.

Technical Specifications

Product Type
Drive Control

Pulse Frequencies
4kHz, 8kHz

Compatible Motor Output
200kW

Output Frequency
0Hz to 250Hz at 8kHz pulse frequency

Additional Component Compatibility
Safe optoelectronic coupler, isolating transformer

Brake Control
Yes

Rated Current
540A at 4kHz pulse frequency

Surface Type
Conductive surfaces

Motor Compatibility
Induction and synchronous motors

Design
Modular

Integrated Components
Mains filter

Transport Method
Freight carriers.

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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 RD51.1-4B-315-R-V1-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.