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R911256142 (RAC 2.3-200-460-APD-W1)

RAC Spindle Drive Controllers

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The Bosch Rexroth R911256142 (RAC 2.3-200-460-APD-W1) is an AC main spindle drive controller engineered for digital control of 1MB and 2AD series motors in numerically controlled machine tools. It supports a rated connection voltage of 3 x AC 400 V at 50 Hz (±15%) or 3 x AC 460 V and delivers a rated current of 200 A. The device integrates an internal blower for cooling and accepts digital position set-points through a 16-bit parallel interface, with speed command available via analogue input (±10 V). Key connections—motor fan, supply, and power—are positioned at the unit's base, and a high-resolution Indramat encoder interface is provided for spindle feedback via X4 (9-pole connector). Operating temperature is specified from 5°C to 45°C. The unit’s configuration requires appropriate lifting equipment due to its weight and technical servicing only by qualified personnel.

Technical Specifications

Product Type
Main Spindle Drive Controller

Climate Type
dry-to-warm and cold-to-moderate

Operating Temperature
5°C - 45°C

Additional Interface
16-bit parallel input

Lifting Equipment Required
Yes

Handling
Not to be dropped or tipped

Mounting
Mount inside control cabinet

Mounting Accessories
Provided

Programming Module
Secured in place using a knurled screw

Shipping
Available worldwide

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 2.3-200-460-APD-W1.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.