R911244273 (RAC 2.2-250-460-D00-W1)

RAC Spindle Drive Controllers

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The R911244273 (RAC 2.2-250-460-D00-W1) is an AC main spindle drive controller from Bosch Rexroth designed for precise position and speed regulation in industrial automation applications. It operates at rated voltages of 3 x AC 400 V (50 Hz, ±15%) or 3 x AC 460 V, supporting asynchronous and frameless motors such as the 1MB and 2AD series with power outputs between 30 kW and 52 kW. The controller supports a rated current of 250 A and features digital 16-bit parallel speed command input, a 10V speed set-point, and an X4 interface terminal with 25 poles. It offers position feedback resolution of 1/4,000,000 revolutions, utilizes an internal blower for cooling, and includes integrated safety functions such as an emergency stop and a mains contactor. Operating temperature is specified from 5 °C to 45 °C. Additional encoder input and additional bleeder are not included in this version.

Technical Specifications

Compatible With
Asynchronous and frameless motors

Continuous Power Output Range
30kW to 52 kW

Resolution
1/4 000 000 revolutions

Power Supply
Three-phase

Safety Features
Emergency stop feature, Integrated mains contactor

Temperatrue Range for Optimum Performance
5C to 45C

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Global

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Internal Product Review

The RAC 2.2-250-460-D00-W1 features a digital speed command and a 25-pole interface for high-precision control. Its reliable cooling and 250 A rating make it an excellent option for demanding industrial setups.

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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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RAC 2.2-250-460-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.