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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) is an AC main spindle drive controller engineered for precise speed and position control in industrial automation. It is compatible with Rexroth 2AD asynchronous and 1MB frameless motors, supporting power outputs from 30 to 52 kW. This model provides reliable performance over a wide speed range, incorporates a high-resolution closed-loop feedback system, and enables precision rotor positioning down to one quarter-millionth of a revolution. The drive controller features a 3 x AC 400 V, 50-60 Hz rated connection voltage, 250 A rated current, internal blower cooling, an additional bleeder, and accepts an analogue ±10 V speed command. Interface terminal is X4, 9 poles. The unit complies with IP 10 ingress protection and integrates with CNC and PLC controllers.

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

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 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.