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R911255746 (RAC 2.2-250-460-A00-W1/S001)

RAC Spindle Drive Controllers

RAC 2.2-250-460-A00-W1/S001 Series Image

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The R911255746 (RAC 2.2-250-460-A00-W1/S001) is a Rexroth Bosch AC Main Spindle Drive Controller, series 2, designed for use with Indramat 2AD main spindle motors. It is rated for 250 A nominal current and supports connection voltages of 3 x AC 400 V at 50 Hz (+/-15%) or 3 x AC 460 V at 60 Hz. The unit features an analog speed command input (+/- 10 V), an interface terminal at X4 (9 poles), internal blower cooling, integrated DC braking, and an AS-compatible programming module system. The total weight, including the mounting frame, is 123 kg. Operating parameters include an ambient temperature range of 5 to 45 degrees Celsius and maximum installation altitude of 1000 meters above sea level. The controller offers internal position control loops and supports a wide speed range suitable for advanced position control applications. No additional encoder input or external bleeder is included.

Technical Specifications

Type Current
400 Amps

Rated Voltage at 50 Hertz
3x400 Volts AC

Rated Voltage at 60 Hertz
3x460 Volts AC

Speed Set Point
Analog

Water Protection
No

Weight with Mounting Frame
123 kilograms

Programming Module Compatibility
AS

Operating Temperature Range
5 to 45 degrees Celsius

CNC Connections
Standardized Cables

Power Connections
Standardized Cables

Heat Dissipation
Workload-dependent

Maximum Installation Altitude
1000 meters

Position Control Loops
Internal

Speed Range
Broad

Power Supply Compatibility
Three-phase

IGS Option Compatibility
Yes

Heat Emission
Heatsink and air slits

Mechanical Accessories
Screwed on to the back wall of the drive cabinet.

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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Indramat USA 1 Year Warranty

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We offer a repair service for the RAC 2.2-250-460-A00-W1/S001.

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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.