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R911256098 (RAC 3.5-150-460-AP0-W1-220)

RAC Spindle Drive Controllers

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The Bosch Rexroth R911256098 (RAC 3.5-150-460-AP0-W1-220) is an AC main spindle drive controller in the RAC series, designed to interface with frameless 1MB spindle motors for continuous power output between 10 and 30 kW. It features an internal position control loop, high-resolution INDRAMAT encoder support, and allows spindle feedback through an additional encoder input. The device operates at rated voltages of 3 x AC 400 V/50 Hz ±15% or 3 x AC 460 V, with control electronics supplied at AC 230 V/50–60 Hz. Rated current is 150 A, and the unit is equipped with an internal blower for cooling. The speed command input accepts analogue ±10 V signals. Operational temperature range is 5 to 45 °C, maximum installation altitude is 1000 m, and the unit includes an integrated mains contactor and emergency-stop circuits. Interface connection is provided via an X4, 9-pole terminal. Additional bleeders are not included.

Technical Specifications

Product Model
RAC 3.5-150-460-APO-W1-220

Motor Type
Frameless Spindle Motors

Power Supply
1MB

Motor Output Shaft
10 to 30 kW

Position Control
High Resolution Feedback

Maximum Resolution
1/4 000 000th of a Revolution

Supply Network
3 x AC 380 and 460V Voltage

Supply Voltage Rate for Control Electronics
AC 220V/50...60Hz

Operating Frequency
50/60Hz

Speed Set
+/- 10 Volts

Temperature Range
5 to 45 Degrees Celsius

Ideal Humidity Level
Class F

Physical Protection
Objects over 50mm Diameter

Cooling Method
Integrated Fan

Protection
Against Humidity.

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-AP0-W1-220.

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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.