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R911203576 (RS51.1-4G-050-D-NN-FW/S150)

RD 500 Drive Controllers

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The Bosch Rexroth drive control device, MPN R911203576 (RS51.1-4G-050-D-NN-FW/S150), is designed for control and monitoring of synchronous and induction motors, particularly for high-speed grinding spindle applications. It operates from a 3-phase AC 380–480 V power supply with input frequencies of 50–60 Hz, handling a rated power of 50 kVA and delivering a continuous output of 41 kVA. The device supports output frequencies from 0 to 1000 Hz and consumes a nominal current of 66 A. Integrated brake resistor and brake chopper are included for DC voltage management. An internal connection cooler regulates temperature. The unit features IP20 protection and is designed for mounting within a control cabinet with a minimum 100 mm clearance at both the top and bottom.

Technical Specifications

Power Source
3-phase AC 380 to 480 V

Input Voltage Frequency
50 – 60 Hz

Rated Power
50 kVA

Output Frequency Range
0 – 1000 Hz

Nominal Current
66 A

Continuous Output
41 kVA

Additional Features
Built-in brake resistor and brake chopper

Protection Category
IP20

Cooling Method
Connection cooler

Minimum Clearance for Installation
100 mm at the top and bottom

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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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We offer a repair service for the RS51.1-4G-050-D-NN-FW/S150.

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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.