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RAC 2.2-250-380-AP0-W1

RAC Spindle Drive Controllers

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

The RAC 2.2-250-380-AP0-W1, Bosch Rexroth Indramat, RAC Spindle Drive Controllers module delivers high-performance spindle control in a compact, cabinet-mounted package. This AC Main Spindle Drive Controller features an integrated digital position control loop that can operate with either spindle or motor feedback. With its robust design, the unit maintains precise torque and speed regulation across the entire operating range. An ergonomic connector layout simplifies wiring and reduces installation time for machine tool builders.



Engineered for demanding industrial environments, the controller accepts a Rated Connection Voltage of 3 x AC 400 V, 50-60 Hz and sustains a continuous Rated Current of 250 A. The Speed Command input is provided via an Analogue (+/-10 V) interface, ensuring smooth acceleration and deceleration profiles. A built-in Internal Blower / Built-in fan cooling system maintains optimal thermal management even under full load. Connectivity is handled through an Interface Terminal X4 with 9 poles, and the unit supports an Additional Encoder Input for high-precision motion, compatible with the factory-supplied High-resolution INDRAMAT encoder (~). The design omits an Additional Bleeder, reducing maintenance points and increasing service intervals. Each drive is identified by its Series 2 and Version 2 markings for traceability.



Installation is straightforward: the compact drive slips into standard control cabinets alongside main contractors and e-stop circuits. The closed-loop encoder architecture and analogue command interface enable seamless integration with CNC controllers and PLC systems. Robust cooling and the absence of external bleeder resistors translate into higher reliability and lower lifecycle cost. This controller is ideal for high-precision milling, drilling, and grinding spindles where consistent performance and minimal downtime are critical.

Technical Specifications

Rated Connection Voltage
3 x AC 400 V, 50-60Hz

Additional Bleeder
Without additional bleeder

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)

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 2.2-250-380-AP0-W1.
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