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R911256101 (RAC 3.5-150-460-A0S-W1-220)

RAC Spindle Drive Controllers

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The Bosch Rexroth R911256101 (RAC 3.5-150-460-A0S-W1-220) is a main spindle drive controller part of the RAC series. This versatile unit features an internal position control loop offering independent spindle positioning. It operates at a current type of 150A, with 3 x AC 380-460V voltage for power electronics. The unit performs optimally at a temperature of 45 degrees Celsius, and can be operated safely up to 55 degrees Celsius. It also functions best at altitudes up to 1000 meters above sea level. The unit delivers a resolution of up to 1/4 000 000th of a revolution at speeds of +/- 10 volts and operates at a frequency of 50/60Hz. It includes a built-in cooling fan and a special interface for parameters storing and loading with a PC. Falling under the IP 10 protection category, the device offers safety against intrusion by foreign objects of over 50mm radius, but is not fully waterproof. The controller is designed to comply with DIN VDE 0160 standards, offering safety against moisture risks. With an output shaft power rating running between 10 and 30KW, this unit is primarily used in numerically controlled machine tools as the main spindle drive. It comes with a one-year warranty.

Technical Specifications

Product Type
Main Spindle Drive Controller

Current Type
150A

Voltage
3 x AC 380 and 460V

Ideal Operating Temperature
45 degrees Celsius

Maximum Operating Temperature
55 degrees Celsius

Maximum Operating Altitude
1000 meters

Revolution Resolution
1/4 000 000th

Speed
+/- 10 Volts

Operating Frequency
50/60Hz

Emergency Circuit Provisions
Yes

Additional Interface
Yes

Power at Motor Output Shaft
10 to 30KW

Protection Class
IP 10

Safety Standards
DIN VDE 0160

In-built Cooling Fan
Yes

Special Plug and Socket
Yes

Heat Emission
Yes

Common Misspellings

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 RAC 3.5-150-460-A0S-W1-220.

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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.