1-888-551-3082 | 1-919-443-0207 | [email protected]

R911256133 (RAC 2.3-250-380-AP0-W1)

RAC Spindle Drive Controllers

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1-888-551-3082

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The R911256133 (RAC 2.3-250-380-AP0-W1) is an AC main spindle drive controller engineered for the digital operation of Indramat 2AD and 1 MB frameless spindle motors. It is suitable for numerically controlled machine tools by providing high shaft stiffness and continuous power across a wide speed range. The device incorporates a position control loop employing motor or spindle feedback, allowing precision positioning with a maximum resolution of 1/4,000,000th of a revolution. Key features include 3-phase 400 V input at 50–60 Hz, rated current of 250 A, a built-in mains contactor, emergency circuit breaker, DC braking for power failure scenarios, and an internal blower for cooling. The unit supports an analogue speed setpoint (+/-10 V) and is equipped with an additional encoder input for high-resolution spindle feedback.

Technical Specifications

Power Supply
3-phase power supply

Integrated Safety Features
Mains contactor and emergency circuit breaker

Structural Changes
Minimal, without requiring extra accessories

Heat Sink
Integrated in the housing for fan and electronics

Current Required
400A

Speed Set Point
Analogue

Bleeder
None

Heat Dissipation
Air blowe

Common Misspellings

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-AP0-W1.

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Want to sell your RAC 2.3-250-380-AP0-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.