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R911253415 (RAC 4.1-300-460-AP0-W1)

RAC Spindle Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911253415 (RAC 4.1-300-460-AP0-W1) is an AC main spindle drive controller designed for frameless spindle motors requiring numerical regulation and a wide speed range. It supports autonomous spindle positioning, operates on a 3 x AC 400 V (±15%, 50 Hz) or 3 x AC 460 V supply, and provides a rated current of 300 A. The unit features an analogue speed command input of ±10 V and includes a high-resolution INDRAMAT encoder input for spindle feedback. Cooling is achieved with an internal blower and built-in fan. The controller should be installed within an IP54-protected cabinet to prevent moisture ingress.

Technical Specifications

Use
Control for frameless spindle motors

Power Supply
3 x AC 400V, 50Hz

Emergency Off
DC Current Braking

Ventilation
Internal and External

Speed Set-Point
Analogue set-point (+/- 10V)

Additional Encoder Input
Yes

Cooling Cabinet Protection
IP54

Fan Protection
IP24

Relative Humidity
70% or less

Condensation Protection
No

Global Shipping
Available

Frequently Asked Questions

Common Misspellings

Internal Product Review

The RAC 4.1-300-460-AP0-W1 is a robust AC main spindle drive controller from the Bosch Rexroth Indramat RAC series, supporting a rated connection voltage of 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V. High-resolution INDRAMAT encoder compatibility and analogue speed command input ensure precise spindle feedback and smooth control. Internal blower cooling and a 300 A rated current provide dependable operation for demanding spindle applications.

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RAC 4.1-300-460-AP0-W1.
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