RAC 4.1-300-460-A00-W1
RAC Spindle Drive Controllers
The Bosch Rexroth Indramat RAC 4.1-300-460-A00-W1 drive from the RAC Spindle Drive Controllers series is an advanced AC Main Spindle Drive Controller designed for precision spindle regulation. It accepts a rated connection voltage of 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V and delivers a rated current of 300 A. Cooling is managed by an internal blower / built-in fan to ensure stable thermal performance. The unit supports a speed command via analogue (+/- 10 V) input and features a 9-pole X4 interface terminal. This version (series 4, version 1) omits an additional bleeder and additional encoder input for streamlined operation, making it ideal for high-demand machining environments.
Technical Specifications
Additional Bleeder
Without additional bleeder
Additional Encoder Input
Without additional encoder input
Cooling
Internal Blower / Built-in fan
Device Type
AC Main Spindle Drive Controller
Interface Terminal
X4, 9 poles
Rated Connection Voltage
3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V
Rated Current
300 A
Series
4
Speed Command
Analogue (+/- 10 V)
Version
1
Frequently Asked Questions
Common Misspellings
Internal Product Review
The RAC 4.1-300-460-A00-W1 is an AC main spindle drive controller from the Bosch Rexroth Indramat RAC series, engineered for demanding industrial spindle applications. It supports a rated connection voltage of 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V, and delivers a robust 300 A rated current. Internal blower cooling ensures consistent thermal management, making this controller a reliable option for high-current spindle drive operations.
Shipping & Payment Options
Warranty
Repair
We offer a repair service for the RAC 4.1-300-460-A00-W1. 
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