R911245399 (RAC 2.2-250-460-A0S-W1)

RAC Spindle Drive Controllers

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The Bosch Rexroth R911245399 (RAC 2.2-250-460-A0S-W1) is an AC main spindle drive controller engineered for precise position and speed control, commonly integrated with 2AD and 1MB motor series. It supports motors with power outputs between 30 kW and 52 kW and operates on a three-phase 400 V (±15%, 50 Hz) or 460 V supply. The unit delivers a rated current of 250 A, features an internal blower for cooling, and incorporates a serial RS-232-C interface alongside an X4 (9-pole) interface terminal. This controller employs an analogue speed command signal (±10 V) and offers integrated safety features such as an emergency stop switch, a mains contactor, and safeguards against unintended startups.

Technical Specifications

Product Type
Drive Controller

Use
Advanced position and speed control

Control response
Highly stiff

Speed Range
Wide

Compatible Motors
2AD and 1MB

Power Output Range
30 kW to 52 kW

Operations
Accurate servo axis operations

Power Supply Connection
Three-phase

Position control loop
Highly Precise

Resolution
1/4 000 000 revolutions

Safety Features
Emergency stop switch, integrated mains contactor

Global Shipping
Yes

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Internal Product Review

The RAC 2.2-250-460-A0S-W1 features a serial RS 232-C interface for straightforward integration and 250 A rated output for reliable spindle control. Its internal cooling guarantees steady performance over extended periods.

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-A0S-W1.

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Want to sell your RAC 2.2-250-460-A0S-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.