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R911237791 (RAC 2.2-250-380-A0I-W1)

RAC Spindle Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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6 Minutes 33 Seconds

The R911237791 (RAC 2.2-250-380-A0I-W1) is an AC main spindle drive controller engineered for precise speed and position control of 2AD asynchronous and 1MB frameless motors. It utilizes a high resolution feedback system, achieving rotor position accuracy up to 1/400,000th of a revolution, and includes an incremental encoder output. The unit operates with a 3 x AC 400 V, 50-60 Hz rated connection voltage and a rated current of 250 A. The device features built-in fan cooling, analogue (+/- 10 V) speed command input, version 2, and an X4 interface terminal with 9 poles. No additional bleeder or encoder input is present.

Technical Specifications

System
Closed loop feedback

Control Response
Very stiff

Speed Range
Wide

Suitable For
Machine Tool Use

Frequently Asked Questions

Common Misspellings

Internal Product Review

The RAC 2.2-250-380-A0I-W1 is an AC main spindle drive controller from Bosch Rexroth Indramat featuring a robust internal blower for reliable cooling and a rated current capacity of 250 A. The unit includes an incremental encoder output and supports analogue speed commands (+/- 10 V), making it suitable for demanding spindle applications. Its high current capability and efficient cooling design are standout features for industrial environments.

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RAC 2.2-250-380-A0I-W1.
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