R911256871 (RAC 2.3-250-380-LP0-W1)

Name: R911256871 (RAC 2.3-250-380-LP0-W1)
Brand: Indramat Drives
SKU: RAC 2.3-250-380-LP0-W1
Price: 198.00 USD

RAC Spindle Drive Controllers

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The Rexroth Indramat R911256871 (RAC 2.3-250-380-LP0-W1) is a type-3, series-2 AC main spindle drive controller from the RAC series. It is rated for 3-phase AC input at 400 V, 50-60 Hz, with a maximum current of 250 A. This unit provides a continuous output power of 65 kW and a peak power of 78 kW. Communication is supported via the SERCOS interface, and an additional encoder input is available for spindle feedback using high-resolution Indramat encoders. Cooling is implemented with an internal blower; no additional bleeder is included. The device weighs 121 kg, meets IP 10 protection standards, and is designed for operation between 5 and 45°C, with storage and transport requirements of -30 to +85°C, protected from dust, moisture, and vibrations.

Technical Specifications

Design Type
3

Current Rating
400 Amps

Voltage
400 volts AC

Frequency
50 - 60Hz

Weight
121 kg

Continuous Power Output
65 kW

Peak Power Output
78 kW

Continuous Regenerated Power
43 kW

Peak Regenerated Power
78 kW

Encoder Input
For Second Motor or Spindle

Interface Type
SERCOS

Cooling System
Integrated Fan

Additional Bleeder
None

Additional Interface
None

Storage Temperature Range
-30 to +85 oC

Protection Class
IP 10 per EN 60 529

Global Shipping
Available

Frequently Asked Questions

What is the rated connection voltage for the RAC 2.3-250-380-LP0-W1?

The rated connection voltage for the RAC 2.3-250-380-LP0-W1 is 3 x AC 400 V, 50-60 Hz.

Does the RAC 2.3-250-380-LP0-W1 have an additional encoder input?

Yes, the RAC 2.3-250-380-LP0-W1 has an additional encoder input for spindle feedback.

What type of encoder does the RAC 2.3-250-380-LP0-W1 use?

The encoder type is high-resolution INDRAMAT encoder (~) for the RAC 2.3-250-380-LP0-W1.

What is the interface terminal of the RAC 2.3-250-380-LP0-W1?

The interface terminal is X4 using optical waveguides for the RAC 2.3-250-380-LP0-W1.

What type of speed command does the RAC 2.3-250-380-LP0-W1 use?

The speed command is provided via SERCOS interface with a 10 V speed set-point for the RAC 2.3-250-380-LP0-W1.

Common Misspellings

RAC 23250380LP0W1

RAC 2 3 250 380 LP0 W1

Rac 2.3-250-380-lp0-w1

Internal Product Review

The RAC 2.3-250-380-LP0-W1 integrates high-resolution encoder feedback with SERCOS speed control, providing consistent and accurate spindle positioning. Its 250 A output makes it ideal for industrial tasks with high precision.