R911256135 (RAC 2.3-250-380-A0S-W1)

RAC Spindle Drive Controllers

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The R911256135 (RAC 2.3-250-380-A0S-W1) is a Bosch Rexroth spindle drive controller designed for use with main spindle and frameless motors, offering precise control with an internal position control loop receiving direct feedback from the motor or spindle. It supports a rated current of 250 A and is compatible with 3 x AC 400 V, 50-60Hz power supplies. The controller features a serial interface RS 232-C and an X4 9-pole interface terminal, and accepts analogue speed commands (+/- 10 V). Cooling is managed by an internal blower and built-in fan, and excess heat is dissipated via an integrated heat sink. Emergency stop and main contactor functions are included.

Technical Specifications

Product Line
RAC 2

Model Number
2.3-250-380-A0S-W1

Use
CNC machines

Power Source
Three-phase supply network

Mains Contactor
Integrated

Emergency Stop Switch
Yes

Heat Dissipation
Heat sink housing

Cooling Method
Inside air or control cabinet

Position Control Loop
Internal

Analog Speed Set Point
+/- 10 Volts

Current
400A

Additional Encoder Input
No

Additional Serial Interface
RS 232 C type

Ship Globally
Yes

Frequently Asked Questions

Common Misspellings

Internal Product Review

The RAC 2.3-250-380-A0S-W1 features a serial RS 232-C interface, making it easy to integrate with different control systems. Its stable 250 A spindle current ensures smooth operation, perfect for automated 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 2.3-250-380-A0S-W1.

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Want to sell your RAC 2.3-250-380-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.