R911256129 (RAC 2.3-200-380-D00-W1)

RAC Spindle Drive Controllers

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The Bosch Rexroth R911256129 (RAC 2.3-200-380-D00-W1) is a main spindle drive controller from the RAC 2 series, designed for digital control of AC spindle and frameless spindle motors in numerically controlled machining applications. It features high-resolution speed control, an internal position control loop, and operates with a 16-bit parallel digital speed command interface. The unit is rated for 3 x AC 400 V (50-60 Hz) with a 200 A rated current, incorporates a built-in fan for internal cooling, and is specified for operating environments between 5 to 45°C, up to 1000 m altitude, and below 70% humidity. The device does not include additional bleeder or encoder input and utilizes an X4 (25 pole) interface terminal.

Technical Specifications

Product Type
Main Spindle Drive Controller

Speed Range
Broad

Position Control
High Accuracy

Operating Temperature
5 degree C to 45 degree C

Operating Elevation
Up to 1000 meters above sea level

Protection Rating
Class F according to DIN 40 040

Humidity Tolerance
Up to 70% percent

Internal Features
Integrated fan

Digital Interface
16-bit parallel.

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Internal Product Review

The RAC 2.3-200-380-D00-W1 features digital speed control with a 25-pole interface, providing high-precision spindle motion. Its internal cooling guarantees reliability during extended production cycles.

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 2.3-200-380-D00-W1.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

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.