R911234781 (RAC 2.2-250-380-A00-Z1)

Name: R911234781 (RAC 2.2-250-380-A00-Z1)
Brand: Indramat Drives
SKU: RAC 2.2-250-380-A00-Z1
Price: 454.00 USD

RAC Spindle Drive Controllers

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Phone:
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Email:
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The R911234781 (RAC 2.2-250-380-A00-Z1) is an AC main spindle drive controller engineered for precise speed and position control in industrial automation. It is compatible with Rexroth 2AD asynchronous and 1MB frameless motors, supporting power outputs from 30 to 52 kW. This model provides reliable performance over a wide speed range, incorporates a high-resolution closed-loop feedback system, and enables precision rotor positioning down to one quarter-millionth of a revolution. The drive controller features a 3 x AC 400 V, 50-60 Hz rated connection voltage, 250 A rated current, internal blower cooling, an additional bleeder, and accepts an analogue ±10 V speed command. Interface terminal is X4, 9 poles. The unit complies with IP 10 ingress protection and integrates with CNC and PLC controllers.

Technical Specifications

Product Type
Main Spindle Driver

Compatibility
2AD asynchronous and 1MB frameless motors

Power output range
30 kW to 52 kW

Speed range
Wide

Power output control
Constant throughout speed range

C-axis operation
Yes

Feedback system
High resolution closed loop

Position control
Internal

Accuracy of rotor position control
1/4 000 000th of a revolution

Connectivity
Compatible with CNC controls and PLC controllers

Enclosure Compliance
IP 10 ingress protection standards

Frequently Asked Questions

What is the rated connection voltage for the RAC 2.2-250-380-A00-Z1 spindle drive controller?

This model features a rated connection voltage of 3 x AC 400 V, operating at 50-60Hz for reliable power input.

What is the rated current of the RAC 2.2-250-380-A00-Z1 spindle drive controller?

The RAC 2.2-250-380-A00-Z1 provides a rated current of 250 A, enabling it to handle high power spindle loads.

How is the RAC 2.2-250-380-A00-Z1 spindle drive controller cooled?

This model uses an internal blower and built-in fan for cooling, promoting effective temperature management during operation.

Does the RAC 2.2-250-380-A00-Z1 include an additional bleeder?

The RAC 2.2-250-380-A00-Z1 is supplied with an additional bleeder, enhancing its energy dissipation capabilities.

What type of speed command input does the RAC 2.2-250-380-A00-Z1 support?

Speed commands are provided via an analogue +/- 10 V input interface on this spindle drive controller.

Common Misspellings

RAC 22250380A00Z1

RAC 2 2 250 380 A00 Z1

Rac 2.2-250-380-a00-z1

Internal Product Review

The RAC 2.2-250-380-A00-Z1 AC main spindle drive controller from Bosch Rexroth Indramat stands out for its robust 250 A rated current and 3 x AC 400 V, 50-60Hz connection, suiting demanding spindle applications. Internal blower cooling ensures reliable thermal management, while the inclusion of an additional bleeder supports efficient energy dissipation. This model is an excellent choice for high-performance spindle control with consistent operation.