RAC 2.3-250-460-D0D-W1

RAC Spindle Drive Controllers

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The RAC 2.3-250-460-D0D-W1 spindle drive controller from Bosch Rexroth Indramat belongs to the RAC Spindle Drive Controllers series. It provides 250 A rated current, accepts 3 × AC 400 V, 50 Hz (±15 %) or 3 × AC 460 V supply, and uses an internal blower cooling system with a built-in fan. It has no additional bleeder or encoder input and connects via a 25-pole X4 interface terminal. Speed commands use a 16-bit parallel digital input.

Technical Specifications

Additional Bleeder
Without additional bleeder

Additional Encoder Input
Without additional encoder input

Additional Interface
Digital position set-point (16 bit parallel)

Cooling
Internal Blower / Built-in fan

Device Type
AC Main Spindle Drive Controller

Interface Terminal
X4, 25 poles

Rated Connection Voltage
3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V

Rated Current
250 A

Series
2

Speed Command
Digital (16 bit parallel)

Version
3

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Internal Product Review

The RAC 2.3-250-460-D0D-W1 is an AC main spindle drive controller from the Bosch Rexroth Indramat RAC series, designed for demanding spindle applications with a rated current of 250 A and a rated connection voltage supporting 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V. Internal blower cooling and a digital 16-bit parallel speed command interface ensure reliable operation and excellent control precision. This controller stands out for robust performance and integration flexibility in high-power spindle systems.