RAC 4.1-400-460-LP0-W1

RAC Spindle Drive Controllers

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The RAC 4.1-400-460-LP0-W1 AC main spindle drive controller has a rated connection voltage of 3 x AC 400 V, 50 Hz ±15%, a rated current of 400 A, and features internal blower cooling. Part of the RAC Spindle Drive Controllers series manufactured by Bosch Rexroth Indramat, it includes a high-resolution INDRAMAT encoder input and uses a SERCOS interface for speed command.

Technical Specifications

Additional Bleeder
Without additional bleeder

Additional Encoder Input
Additional encoder input for spindle feedback

Cooling
Internal Blower / Built-in fan

Device Type
AC Main Spindle Drive Controller

Encoder Type
High-resolution INDRAMAT encoder (~)

Interface Terminal
X4, optical waveguides

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
SERCOS interface

Version
1

Frequently Asked Questions

Common Misspellings

Internal Product Review

The RAC 4.1-400-460-LP0-W1 is an AC main spindle drive controller from Bosch Rexroth Indramat, designed for high-performance spindle operations in demanding environments. It features a built-in fan for efficient internal cooling and supports high-resolution INDRAMAT encoder feedback for precise control. The SERCOS interface for speed command further enhances integration and responsiveness, making this controller a strong choice for advanced spindle applications.