The RAC 2.2-250-460-API-W1 from Bosch Rexroth Indramat is an AC main spindle drive controller with a rated connection voltage of 3×AC 400 V, 50 Hz, ±15%. Part of the RAC Spindle Drive Controllers, it handles 250 A of current and features internal blower cooling with a built-in fan. It supports analogue speed commands of ±10 V and integrates a high-resolution INDRAMAT encoder with incremental output.
It includes additional encoder input for feedback and a 9-pole X4 interface terminal. It is designated as Version 2. This design belongs to Series 2.
Rated Connection Voltage
3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V
Additional Bleeder
Without additional bleeder
Additional Interface
Incremental encoder output
Cooling
Internal Blower / Built-in fan
Device Type
AC Main Spindle Drive Controller
Rated Current
250 A
Additional Encoder Input
Additional encoder input for spindle feedback
Encoder Type
High-resolution INDRAMAT encoder (~)
Interface Terminal
X4, 9 poles
Series
2
Version
2
Speed Command
Analogue (+/- 10 V)