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R911252351 (RAC 4.1-300-460-L00-W1)

RAC Spindle Drive Controllers

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The R911252351 (RAC 4.1-300-460-L00-W1) is a digital AC main spindle drive controller designed for 1MB asynchronous frameless spindle motors, providing continuous shaft output from 52 to 93 kW. It supports spindle operation as a servo-axis within a position control loop, using a SERCOS interface for speed, position, and torque set-points. Operating at a rated connection voltage of 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V, the controller delivers a rated current of 300 A, with an internal blower for cooling. No external bleeder or additional encoder input is required. The maximum servo-axis resolution is 1/4,000,000. Maximum allowable excess pressure and proper cooling airflow must be regulated, and an ambient temperature of 45°C should be maintained within the control cabinet.

Technical Specifications

Motor Control
1MB asynchronous frameless spindle motors

Continuous Motor Output
52 to 93kW

Speed Variation
Varying

Connection
Direct mains

Emergency Shutdown
Integrated

Communications Interface
SERCOS

Encoder Input
No

Synchronization Input
No

Additional Interface
No

Heat Dissipation
Depends on workload

Servo-Axis Maximum Resolution
1/4000000

Recommended Ambient Temperature
45ºC

Moisture Precaution
Avoid condensation

Operating Temperature
up to 45ºC

Maximum Humidity Class
Class F (DIN 40 040)

Cooling Advice
Prevent moisture from cooling device

Global Availability
Yes

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 4.1-300-460-L00-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.