R911256151 (RAC 2.3-250-460-API-W1)

Name: R911256151 (RAC 2.3-250-460-API-W1)
Brand: Indramat Drives
SKU: RAC 2.3-250-460-API-W1
Price: 983.00 USD

RAC Spindle Drive Controllers

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The Indramat Rexroth R911256151 (RAC 2.3-250-460-API-W1) is an AC main spindle drive controller designed for CNC control and positioning applications. It offers an encoder interface, digital input for PLC integration, a serial interface for parameter storage, and supports high-resolution INDRAMAT encoders. The unit operates with a rated connection voltage of 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V and a rated current of 250 A. Cooling is provided by an internal blower. The device can be used in environments from 5°C to 55°C, at altitudes below 1000 m, and meets DIN 40 040 and class F humidity requirements. Storage conditions should be dust-free, dry, and between -30°C and 85°C.

Technical Specifications

Temperature Operation Range
5 to 55 degrees Celsius

Humidity Protection
Class F (DIN 40 040)

Max Installation Altitude
1000m above sea level

Transport Requirements
Vibration-Damping Base

Storage Conditions
Dry, Dust-Free, Away from Falling Objects

Storage Temperature Range
30 to 85 degrees Celsius

Delivery
Worldwide Shipping.

Frequently Asked Questions

What cooling method is used in the RAC 2.3-250-460-API-W1 spindle drive controller?

This drive controller is equipped with an internal blower and built-in fan for cooling during operation.

What are the rated connection voltages for the RAC 2.3-250-460-API-W1 controller?

The RAC 2.3-250-460-API-W1 operates with a rated connection voltage of 3 x AC 400 V at 50 Hz (±15%) or 3 x AC 460 V.

What encoder type does the RAC 2.3-250-460-API-W1 drive controller use?

A high-resolution INDRAMAT encoder is used for feedback on this spindle drive controller model.

What is the rated current capacity of the RAC 2.3-250-460-API-W1 spindle drive controller?

The RAC 2.3-250-460-API-W1 handles a rated current of 250 A for main spindle operation.

What type of speed command input does the RAC 2.3-250-460-API-W1 accept?

Speed commands are provided to this controller via an analog signal in the range of +/-10 V.

Common Misspellings

RAC 23250460APIW1

RAC 2 3 250 460 API W1

Rac 2.3-250-460-apI-w1

Internal Product Review

The RAC 2.3-250-460-API-W1 is an AC main spindle drive controller from Bosch Rexroth Indramat designed for high-performance machine tool applications. With a rated current of 250 A and support for both 400 V and 460 V three-phase input, it delivers substantial power and flexibility. The integrated high-resolution Indramat encoder and analogue speed command ensure precise spindle feedback and smooth speed control, making this unit a robust solution for demanding environments.