R911253333 (RAC 2.2-250-380-AY0-W1)

Name: R911253333 (RAC 2.2-250-380-AY0-W1)
Brand: Indramat Drives
SKU: RAC 2.2-250-380-AY0-W1
Price: 471.00 USD

RAC Spindle Drive Controllers

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The R911253333 (RAC 2.2-250-380-AY0-W1) is an AC main spindle drive controller from the Rexroth RAC 2 series, designed for precise spindle motor management via internal position control loops and capable of c-axis operation. It features a rated connection voltage of 3 x AC 400 V at 50-60Hz, a rated current capacity of 250 A, and utilizes an internal blower for cooling. The controller provides additional encoder and synchronous inputs, supports incremental encoder (JL) feedback, and analog speed command input (+/- 10 V). Direct current braking is integrated for spindle stoppage during power loss. Configuration is facilitated by an AS programming module, and terminal X4 (9 poles) serves as the interface. The device is specified for operation within a 5 to 45 °C temperature range.

Technical Specifications

Product
RAC 2.2-250-460-A0I-Z1 spindle servo drive

Feedback Control
Internal

Control Capabilities
Spindle as a c-axis

Power Supply Connection
Three-phase

Current Rating
400 Amps

Braking Facility
Direct current, integrated

Cable Connections
Standardized, ready-made

Terminal Assignments
Identical for all power supplies

Additional Equipment
Bleeder

Operating Temperature
5 to 45 degrees Celsius

Cooling System
Built-in fan unit

Drive Configuration
AS programming module

Protection
No water protection

Parameters Configuration
On-site using programming module

Encoder Output
Incremental

Additional Connections
Emergency stop switch and main contactor

Shipping
Global availability

Frequently Asked Questions

What is the rated connection voltage for the RAC 2.2-250-380-AY0-W1 spindle drive controller from Bosch Rexroth Indramat?

The RAC 2.2-250-380-AY0-W1 spindle drive controller operates with a rated connection voltage of 3 x AC 400 V, 50-60Hz.

How is the RAC 2.2-250-380-AY0-W1 spindle drive controller cooled during operation?

This model is equipped with an internal blower and built-in fan for cooling purposes, ensuring regulated thermal management.

Does the RAC 2.2-250-380-AY0-W1 include an additional encoder input?

The RAC 2.2-250-380-AY0-W1 features an additional encoder and synchronous input for expanded feedback capability.

What type of speed command input does the RAC 2.2-250-380-AY0-W1 spindle drive controller accept?

This controller supports analogue speed command input in the range of +/- 10 V for precise control applications.

What is the rated current for the RAC 2.2-250-380-AY0-W1 spindle drive controller?

The RAC 2.2-250-380-AY0-W1 operates with a rated current of 250 amps to handle demanding spindle drive requirements.

Common Misspellings

RAC 22250380AY0W1

RAC 2 2 250 380 AY0 W1

Rac 2.2-250-380-ay0-w1

Internal Product Review

The RAC 2.2-250-380-AY0-W1 is an AC main spindle drive controller from Bosch Rexroth Indramat, built with an internal blower for effective cooling and rated for 250 A operation. It supports incremental encoder feedback and analogue speed command input, making it reliable for precise spindle control applications. The robust design and high current capacity highlight the unit's suitability for demanding industrial environments.