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

Name: R911238305 (RAC 2.2-250-380-A0I-Z1)
Brand: Indramat Drives
SKU: RAC 2.2-250-380-A0I-Z1
Price: 360.00 USD
Availability: InStock

RAC Spindle Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Current response time:

5 Minutes 21 Seconds

Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

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

Frequently Asked Questions

What is the rated current of the RAC 2.2-250-380-A0I-Z1 spindle drive controller?

This model features a rated current of 250 A, allowing for substantial power delivery to high-demand applications.

What connection voltage and frequency does the RAC 2.2-250-380-A0I-Z1 support?

The RAC 2.2-250-380-A0I-Z1 operates at a rated connection voltage of 3 x AC 400 V with a frequency range of 50-60 Hz.

How is the RAC 2.2-250-380-A0I-Z1 spindle drive controller cooled?

It includes an internal blower or built-in fan for active cooling during operation.

Does the RAC 2.2-250-380-A0I-Z1 include an additional bleeder?

The device is equipped with an additional bleeder to handle excess energy dissipation safely during operation.

What additional interface is featured on the RAC 2.2-250-380-A0I-Z1 spindle drive controller?

An incremental encoder output is provided as an additional interface for feedback purposes on this controller.

Common Misspellings

RAC 22250380A0IZ1

RAC 2 2 250 380 A0I Z1

Rac 2.2-250-380-a0I-z1

Internal Product Review

The RAC 2.2-250-380-A0I-Z1 is a robust AC main spindle drive controller from the RAC series, designed by Bosch Rexroth Indramat for demanding industrial spindle applications. Featuring a rated connection voltage of 3 x AC 400 V and a rated current of 250 A, this unit delivers high power and consistent performance. An internal blower ensures reliable cooling, making it ideal for sustained operation under heavy loads.