R911252557 (RAC 4.1-400-460-AP0-W1)

Name: R911252557 (RAC 4.1-400-460-AP0-W1)
Brand: Indramat Drives
SKU: RAC 4.1-400-460-AP0-W1
Price: 620.00 USD

RAC Spindle Drive Controllers

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The Indramat Main Spindle Drive Controller, MPN R911252557 (RAC 4.1-400-460-AP0-W1), is designed for precise control of asynchronous and frameless main spindle motors in numerically controlled machine tools. It provides digital control with high axis stiffness and a broad speed range, supporting accurate C-axis operations at low speeds. Electrical connection is via 3 x AC 400 V, 50 Hz (+/-15%), or 3 x AC 460 V, 60 Hz (+/-10%). The unit includes a high-resolution INDRAMAT encoder, additional encoder input for spindle feedback, X4 9-pole interface terminal, and supports analogue speed command (+/-10V). Cooling is managed by an internal blower and built-in fan, with thermal performance for operation in +5 to +45 °C. Unit is constructed with robust housing and provides for external and internal power dissipation as determined by workload.

Technical Specifications

Product Type
Drive Controller

Model
4.1-400-460-AP0-W1

Compatibility
Asynchronous and Frameless Main Spindle Motors

Connection
3*400V, 50Hz, +/-15% or 3*460V, 60Hz, +/-10%

Housing
Heat Sink and Cooling Fan

OperatingClimate
Cold, Moderate, Dry-warm (without condensation)

OperatingTemperature
+5 to +45 °C

Power Dissipation
Depends on Workload

Control Panel
Keypad for Parameter Entry

Programming
Customizable Upon Request

Mounting and Assembly
Guidelines Provided by Indramat

Global Shipping
Available

Frequently Asked Questions

What is the rated connection voltage for the RAC 4.1-400-460-AP0-W1 spindle drive controller?

The RAC 4.1-400-460-AP0-W1 supports a rated connection voltage of 3 x AC 400 V at 50 Hz with a tolerance of +/-15%, or 3 x AC 460 V.

How is the RAC 4.1-400-460-AP0-W1 spindle drive controller cooled?

This model uses an internal blower with a built-in fan for cooling to maintain operating temperature.

What is the rated current of the RAC 4.1-400-460-AP0-W1 spindle drive controller?

The rated current for the RAC 4.1-400-460-AP0-W1 is 400 A, allowing it to handle high-power spindle operations.

Does the RAC 4.1-400-460-AP0-W1 have an additional encoder input for spindle feedback?

An additional encoder input for spindle feedback is included on this model, enabling precise spindle performance monitoring.

What type of interface terminal does the RAC 4.1-400-460-AP0-W1 use?

The interface terminal provided on this drive controller is a 9-pole X4 connector for system integration.

Common Misspellings

RAC 41400460AP0W1

RAC 4 1 400 460 AP0 W1

Rac 4.1-400-460-ap0-w1

Internal Product Review

The RAC 4.1-400-460-AP0-W1 is an AC main spindle drive controller from Bosch Rexroth Indramat's RAC series, offering a rated connection voltage of 3 x AC 400 V or 3 x AC 460 V for flexible integration. Its high-resolution INDRAMAT encoder and additional encoder input enable precise spindle feedback, while the built-in fan ensures reliable internal cooling. This controller is a robust solution for demanding spindle drive applications.