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R911238305 (RAC 2.2-250-380-A0I-Z1)

RAC Spindle Drive Controllers

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The Bosch Rexroth spindle servo drive MPN R911238305 (RAC 2.2-250-380-A0I-Z1) is an AC main spindle drive controller designed for high-precision spindle motor applications with C-axis support. It operates with a rated connection voltage of 3x AC 400 V at 50-60 Hz and delivers a rated current of 250 A. The unit features integrated DC braking, an additional bleeder for energy dissipation, and cooling via a built-in internal blower. Its interface includes an analogue speed command input (+/- 10 V), incremental encoder output, and an X4 9-pole terminal. Configuration is handled through an AS programming module. The operating temperature range is 5–45°C.

Technical Specifications

Feedback Positioning Type
Internal

Spindle Control Capability
Yes

Rated Voltage (at 50 Hz)
3x400 Volts AC

Rated Voltage (at 60 Hz)
3x460 Volts AC

Direct Power Supply Connection
Yes

Current Rating
400 Amps

Integrated DC Braking
Yes

Standardized Cables for Connections
Yes

Shared Terminal Assignment for Power Supplies
Yes

Additional Bleeder Present
Yes

Operating Temperature Range
5 to 45 degrees Celsius

Fan Provided Inside
Yes

Configuration via AS Programming Module
Yes

Water Protection
No

On-Site Drive Parameter Configuration
Yes

User Control Terminal
Yes

Additional Interface Type
Incremental Encoder Output

Emergency Stop Switch
Yes

Direct Power Connection Facilities
Yes

Shipping
Global

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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

Repair

We offer a repair service for the RAC 2.2-250-380-A0I-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.