R911273763 (RAC 2.3-250-460-LP0-Z1)

Name: R911273763 (RAC 2.3-250-460-LP0-Z1)
Brand: Indramat Drives
SKU: RAC 2.3-250-460-LP0-Z1
Price: 749.00 USD

RAC Spindle Drive Controllers

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The R911273763 (RAC 2.3-250-460-LP0-Z1) is an AC main spindle drive controller engineered for precise motor speed control and spindle positioning in industrial settings. Compatible with 1MB frameless and 2AD asynchronous motors, it regulates speed and position by integrating the motor's position loop with the drive's feedback system. The unit operates on a 3 x AC 400 V, 50 Hz (±15%) or 3 x AC 460 V supply, supports rated currents up to 250 A, and features internal blower cooling. Key attributes include an additional bleeder, high-resolution Indramat encoder support, additional encoder input, X4 optical waveguide terminal, SERCOS interface for speed command, 10V analog speed set-point, and integrated safety features such as an emergency stop switch and mains contactor.

Technical Specifications

Product Type
Drive Control System

Functionality
Positioning of specific spindle and speed control

Integration
Frameless 1MB and the asynchronous 2AD motors

Output Power
Between 30 kW and 52 kW

Speed Range
Wide

Power Supply Compatibility
Three-phase

Additional Safety Features
Emergency stop switch, mains contactor

Global Shipping
Yes

Frequently Asked Questions

How is the RAC 2.3-250-460-LP0-Z1 spindle drive controller cooled?

The RAC 2.3-250-460-LP0-Z1 uses an internal blower and built-in fan for cooling, ensuring temperature regulation during operation.

What is the rated current capacity of the RAC 2.3-250-460-LP0-Z1 controller?

This model has a rated current of 250 A, making it capable of supporting high-powered spindle applications.

Does the RAC 2.3-250-460-LP0-Z1 support additional encoder input for spindle feedback?

It provides an additional encoder input designed specifically for spindle feedback, increasing position accuracy.

What interface does the RAC 2.3-250-460-LP0-Z1 use for speed command?

The speed command for this drive controller operates via a SERCOS interface, allowing for precise digital motion control.

What are the rated connection voltage options for the RAC 2.3-250-460-LP0-Z1 spindle drive controller?

The rated connection voltage options are 3 x AC 400 V, 50 Hz with ±15% tolerance or 3 x AC 460 V, making it compatible with various industrial power supplies.

Common Misspellings

RAC 23250460LP0Z1

RAC 2 3 250 460 LP0 Z1

Rac 2.3-250-460-lp0-z1

Internal Product Review

The RAC 2.3-250-460-LP0-Z1 is an AC main spindle drive controller from Bosch Rexroth Indramat, designed with an internal blower and an additional bleeder for enhanced cooling and energy dissipation. Featuring a rated current of 250 A and compatibility with both 400 V and 460 V AC supplies, this controller is well-suited for demanding spindle applications. The inclusion of high-resolution INDRAMAT encoder support and a SERCOS speed command interface ensures precise and high-performance motion control.