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R911200136 (RS51.1-4G-014-L-NN-FW)

RD 500 Drive Controllers

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The R911200136 (RS51.1-4G-014-L-NN-FW) is a Bosch Rexroth drive control device intended for high-speed grinding spindle applications. It features forced-air cooling, an integrated brake chopper (0.6 kW braking power), and a built-in resistor. The unit supports a frequency range of 0–2000 Hz and offers 14 kW rated power, 11 kW continuous power at a nominal voltage of 3×AC 380–480 V, and a rated current of 23 A. Peak output reaches 18 kW for 60 seconds with a maximum current of 29 A. Protection is rated at IP20. Dimensions are 560 mm height, 270 mm width, and 33 kg without attachments. The device belongs to environmental class 3K3 and requires installation in a closed cabinet. Firmware is not included and must be obtained separately.

Technical Specifications

Cooling Method
Forced-cooled

Output Frequency Range
0-2000 Hz

Protection Certification
IP 20

Rated Power Output
14 kW

Continuous Power Output
11 kW

Rated Current Draw
23 A

Separate Firmware
Yes

Maximum Current for 60 Seconds
29A

Peak Output Power
18 kW

Braking Type
Chopping brake

Physical Dimension - Height
560mm

Physical Dimension - Breadth
270mm

Weight
33 kg

Environmental Class
3K3

Power Supply Voltage Range
380-480 volts

Customizable Structure
Yes

Noise Suppression Methods
RC elements and diodes

Global Shipping
Available

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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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Indramat USA 1 Year Warranty

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We offer a repair service for the RS51.1-4G-014-L-NN-FW.

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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.