R911256155 (RAC 2.3-250-460-A00-W1)

Name: R911256155 (RAC 2.3-250-460-A00-W1)
Brand: Indramat Drives
SKU: RAC 2.3-250-460-A00-W1
Price: 422.00 USD
Availability: InStock

RAC Spindle Drive Controllers

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Email:
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The R911256155 (RAC 2.3-250-460-A00-W1) is an AC main spindle drive controller designed for precise speed and position regulation of 2AD asynchronous main spindle motors and 1MB frameless spindle motors, supporting high stiffness and a wide operational speed range for CNC machine applications. This unit provides high-resolution control up to 1/4,000,000th of a revolution to enable accurate low-speed motor handling. It features an AS programming module for adaptation to specific spindle motor characteristics, an integrated heat sink with internal blower for thermal management, and operates at a rated current of 250 A with a rated connection voltage of 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V. The controller supports continuous and peak servo motor outputs of 65 kW and 78 kW respectively, can utilize regeneration power during power interruptions, features a 9-pole X4 interface terminal, accepts analogue ±10 V speed commands, has no additional bleeder or encoder input, weighs 121 kg, and is designed for environments up to 55°C.

Technical Specifications

Resolution
1/4 000 000th of a revolution

Feature
AS programming module

Controlled Motor Continuous Power Output
65 kilowatts

Controlled Motor Peak Power Output
78 kilowatts

Continuous Regeneration Power Output
43 kilowatts

Peak Regeneration Power Output
78 kilowatts

Weight
121 kilowatts

Maximum Operating Ambient Temperature
55 degrees Celcius

Frequently Asked Questions

What is the rated connection voltage for the RAC 2.3-250-460-A00-W1?

The rated connection voltage is 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V for the RAC 2.3-250-460-A00-W1.

Does the RAC 2.3-250-460-A00-W1 have an additional bleeder?

No, the RAC 2.3-250-460-A00-W1 does not have an additional bleeder.

What is the interface terminal of the RAC 2.3-250-460-A00-W1?

The interface terminal is X4 with 9 poles for the RAC 2.3-250-460-A00-W1.

What type of speed command does the RAC 2.3-250-460-A00-W1 use?

The speed command is analogue (+/- 10 V) for the RAC 2.3-250-460-A00-W1.

What is the rated current of the RAC 2.3-250-460-A00-W1?

The rated current is 250 A for the RAC 2.3-250-460-A00-W1.

Common Misspellings

RAC 23250460A00W1

RAC 2 3 250 460 A00 W1

Rac 2.3-250-460-a00-w1

Internal Product Review

The RAC 2.3-250-460-A00-W1 provides dependable analogue speed control and a 250 A current rating, ensuring smooth spindle operation. Its internal cooling supports long-term continuous operation.