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R911234781 (RAC 2.2-250-380-A00-Z1)

RAC Spindle Drive Controllers

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The R911234781 (RAC 2.2-250-380-A00-Z1), a main spindle driver produced by Bosch Rexroth, is designed for precise speed and position control applications. Compatible with a variety of industrial motors, this drive control system is commonly paired with Rexroth's 2AD asynchronous and 1MB frameless motors. These offer power outputs in the range of 30-52 kW and, when joined with the driver, constitute an exhaustive motion control platform. The drive controller maintains consistent power output across a vast speed range, essential for motion control tasks. It also supports the use of the AC spindle drive for accurate C-axis operations. Enhanced by an intelligent, high-resolution closed-loop feedback system, this model allows motion control at extremely low speeds and positions the rotor to a precision of one quarter-millionth of a revolution. The R911234781 (RAC 2.2-250-380-A00-Z1) adheres to industry-standard IP 10 ingress protection and offers connectivity with CNC and PLC controllers. It comes with a one-year global warranty from Indramat USA.

Technical Specifications

Product Type
Main Spindle Driver

Compatibility
2AD asynchronous and 1MB frameless motors

Power output range
30 kW to 52 kW

Speed range
Wide

Power output control
Constant throughout speed range

C-axis operation
Yes

Feedback system
High resolution closed loop

Position control
Internal

Accuracy of rotor position control
1/4 000 000th of a revolution

Connectivity
Compatible with CNC controls and PLC controllers

Enclosure Compliance
IP 10 ingress protection standards

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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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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RAC 2.2-250-380-A00-Z1.

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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.