R911262748 (RAC 2.3-250-380-API-W1)

Name: R911262748 (RAC 2.3-250-380-API-W1)
Brand: Indramat Drives
SKU: RAC 2.3-250-380-API-W1
Price: 783.00 USD

RAC Spindle Drive Controllers

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The R911262748 (RAC 2.3-250-380-API-W1) is an AC main spindle drive controller engineered for CNC applications, supporting main spindle and frameless spindle motors. It operates on a 3 x AC 400 V supply at 50-60 Hz and provides a rated current of 250 A. Key features include a high-resolution internal position control loop, with spindle positioning resolution up to 1/4 millionth of a revolution and support for analogue speed command input (+/-10 V). The device integrates an incremental encoder output, an additional encoder input for spindle feedback, and an interface terminal (X4, 9 poles). Cooling is enabled via an internal blower or control cabinet, utilizing a built-in fan. DC braking and feedback of braking energy are supported, without an additional bleeder resistor.

Technical Specifications

Type
Main Spindle Drive Controller

Motor Compatibility
Main Spindle Motors, Frameless Spindle Motors

Usage
CNC Machines

Feature
Internal Position Control Loop

Feedback Options
Motor Feedback, Optional Spindle Feedback

Electricity Supply
3-Phase

Cooling Method Options
Internal Air, Control Cabinet

Heat Sink
Yes

Current Rating
400A

Speed Set Point
Analogue, +/- 10 Volts

Additional Encoder Input
Yes

Additional Incremental Encoder Output
Yes

Built-In Fan
Yes

Operating Voltage
400 Volts, 50-60 Hz

Packaging
Military Grade Foam Packing

Global Shipping
Yes

Frequently Asked Questions

Does the RAC 2.3-250-380-API-W1 have an additional encoder input?

Yes, the RAC 2.3-250-380-API-W1 has an additional encoder input for spindle feedback.

What type of additional interface does the RAC 2.3-250-380-API-W1 have?

The RAC 2.3-250-380-API-W1 has an incremental encoder output.

What is the rated current of the RAC 2.3-250-380-API-W1?

The rated current is 250 A for the RAC 2.3-250-380-API-W1.

What type of interface terminal does the RAC 2.3-250-380-API-W1 use?

The interface terminal is X4, 9 poles for the RAC 2.3-250-380-API-W1.

What type of speed command does the RAC 2.3-250-380-API-W1 use?

The speed command is analogue (+/-10 V) for the RAC 2.3-250-380-API-W1.

Common Misspellings

RAC 23250380APIW1

RAC 2 3 250 380 API W1

Rac 2.3-250-380-apI-w1

Internal Product Review

The RAC 2.3-250-380-API-W1 integrates encoder-based feedback for enhanced spindle monitoring, while delivering a consistent 250 A output. It is a reliable choice for precision-driven industrial automation units.