R911251429 (RAC 2.2-250-460-D0I-W1)

RAC Spindle Drive Controllers

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The R911251429 (RAC 2.2-250-460-D0I-W1) is an AC main spindle drive controller from the RAC series by Rexroth Indramat. It operates with a rated connection voltage of 3 x AC 400 V, 50 Hz ±15%, or 3 x AC 460 V, and a rated current of 250 A. The controller supports digital speed command via a 16-bit parallel interface and features an incremental encoder output. Cooling is achieved with an internal blower. It does not include an additional bleeder or additional encoder input. The unit is designed for a temperature range of +5°C to +45°C, with derated efficiency up to +55°C, and is suitable for storage from -30°C to +85°C at altitudes up to 1000 meters. It has a mass of 121 kg and uses a 25-pole X4 interface terminal.

Technical Specifications

Product type
Controller

Interfaces
CNC interface, Motor feedback connection

Electrical current
400A

Operating voltage
3 x AC 400V/50Hz, 3 x AC 460V/60Hz

Motor Velocity
Digital with 16 bit resolution

Supplementary interface
Incremental encoder with 15 poles terminal blocks

Mass
121 kg

Mounting Frame Mass
2 kg

Cooling Hose Mass
1 kg and 7 kg

Storage temperature
-30 to +85 degrees Celsius

Maximum altitude
1000

Surrounding Moisture Category
F

Protection Class
IP10

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Common Misspellings

Internal Product Review

The RAC 2.2-250-460-D0I-W1 delivers incremental encoder output and digital speed control for precise spindle operation. Its robust design ensures reliable performance in challenging industrial conditions.

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-D0I-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.