R911256085 (RAC 3.5-100-460-API-W1-220)

RAC Spindle Drive Controllers

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The R911256085 (RAC 3.5-100-460-API-W1-220) is an AC main spindle drive controller engineered for three-phase AC power supplies at 380V-460V (50-60Hz), with a rated current of 100A and a control electronics supply of 220V. Speed command is achieved via an analogue interface (+/-10V), and additional encoder input is available for either spindle or second motor feedback, supporting high-resolution INDRAMAT encoders. The drive contains an internal blower for cooling, with optional provisions for hose-based external cooling. Connection interfaces include a 9-pole X4 terminal and an incremental encoder output. The device operates optimally from 5 to 45°C, at altitudes below 1000m, and in environments under 70% relative humidity. Protection conforming to IP10 is provided, with IP54 inside a cabinet and IP24 for the cooling fan.

Technical Specifications

Power Supply
3xAC 380V-460V, 50-60Hz

Rated Current
100A

Control Electronics Voltage
220V

Speed Set-Point Interface
Analogue (+/- 10 volts)

Additional Encoder Input
Yes - for spindle feedback or 2nd motor feedback

Additional Encoder Output Interface
Yes

Cooling System
Inbuilt fan (hose cooling optional)

Instant Operation
Yes - AS programming module

Operating Temperature
5-45 degrees Celsius

Max Altitude Above Sea Level
1000m

Relative Humidity
Not more than 70%

Protection Category - Controller
IP 10

Protection Category - Interior Cabinet
IP 54

Protection Category - Fan
IP 24.

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Internal Product Review

The RAC 3.5-100-460-API-W1-220 is a Bosch Rexroth Indramat spindle drive controller featuring a high-resolution INDRAMAT encoder and an additional encoder input for advanced spindle feedback. Internal cooling is handled by a built-in blower, and the unit supports a rated current of 100 A for robust performance. This drive controller is well-suited for demanding applications requiring precise speed command and reliable operation.

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 3.5-100-460-API-W1-220.

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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 unused surplus 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.