RAC 4.1-400-460-A0I-W1

RAC Spindle Drive Controllers

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The RAC 4.1-400-460-A0I-W1 AC Main Spindle Drive Controller delivers 400 A rated current. Made by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series, it accepts 3 x AC 400/460 V at 50 Hz. It has internal blower cooling, incremental encoder output, and analogue +/-10 V speed command.

Technical Specifications

Additional Bleeder
Without additional bleeder

Additional Encoder Input
Without additional encoder input

Additional Interface
Incremental encoder output

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
400 A

Series
4

Speed Command
Analogue (+/- 10 V)

Version
1

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Internal Product Review

The RAC 4.1-400-460-A0I-W1 is an AC main spindle drive controller from the Bosch Rexroth Indramat RAC series, designed for high-capacity industrial applications with a 400 A rated current and support for 3 x AC 400 V or 460 V input. An internal blower ensures effective cooling, and the controller features an incremental encoder output and analogue (+/-10 V) speed command for versatile integration. Overall, this unit delivers robust performance and reliable operation for demanding spindle drive applications.