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RAC 2.2-250-460-A00-Z1

RAC Spindle Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

The Bosch Rexroth Indramat RAC 2.2-250-460-A00-Z1 drive is a high-performance unit in the RAC Spindle Drive Controllers series. This AC main spindle drive controller delivers precise speed regulation and robust power handling for demanding machining and automation tasks. It features a Rated Connection Voltage of 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V and a substantial Rated Current of 250 A, ensuring consistent energy delivery to high-inertia spindles. The controller’s primary function is to govern the speed and torque of main spindle motors in industrial manufacturing systems, providing smooth acceleration and deceleration profiles for optimal machining accuracy.



Built around a rugged design, this controller integrates an Internal Blower / Built-in fan cooling system to maintain safe operating temperatures under continuous load. The device type is specified as an AC Main Spindle Drive Controller, with an optional Additional Bleeder circuit for discharge handling. Its control interface consists of a 9-pole X4 Interface Terminal, facilitating secure connections for command and feedback signals. The speed reference is provided via an Analogue (+/- 10 V) Speed Command input, allowing seamless integration with CNC controllers or programmable logic systems. Notably, this unit is configured without additional encoder input, relying on direct analogue speed setpoints.



As part of Series 2, Version 2, the RAC 2.2-250-460-A00-Z1 emphasizes reliability and ease of maintenance. The internal blower cooling mechanism reduces reliance on external fans or liquid circuits, boosting system uptime and reducing maintenance costs. The inclusion of an additional bleeder enhances safety by preventing residual charge in the DC link. Its compatibility with both 400 V and 460 V power networks ensures global application flexibility. Designed for harsh industrial environments, this spindle drive controller delivers high efficiency, precise spindle control, and long-term durability, making it an ideal choice for CNC machining centers, grinding machines, and other high-speed rotating equipment.

Technical Specifications

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

Additional Bleeder
With additional bleeder

Cooling
Internal Blower / Built-in fan

Device Type
AC Main Spindle Drive Controller

Rated Current
250 A

Additional Encoder Input
Without additional encoder input

Series
2

Version
2

Interface Terminal
X4, 9 poles

Speed Command
Analogue (+/- 10 V)

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RAC 2.2-250-460-A00-Z1.
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