R911256100 (RAC 3.5-150-460-A0I-Z1-220)

Name: R911256100 (RAC 3.5-150-460-A0I-Z1-220)
Brand: Indramat Drives
SKU: RAC 3.5-150-460-A0I-Z1-220
Price: 900.00 USD
Availability: InStock

RAC Spindle Drive Controllers

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Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The Bosch Rexroth R911256100 (RAC 3.5-150-460-A0I-Z1-220) is an AC main spindle drive controller with internal position control, designed for 1MB frameless spindle motors. It features a rated current of 150 A and operates at 3 x AC 400 V, 50 Hz (±15%) or 3 x AC 460 V with power output continuously between 10–30 kW. The device incorporates an internal blower, an additional bleeder, and an incremental encoder output. Control electronics are supplied with AC 230 V, 50–60 Hz, and speed command input is analogue (±10 V). Operational range includes +5 to +45 °C with up to 70% humidity and maximum resolution of 1/4,000,000 revolutions.

Technical Specifications

Type
Main Spindle Drive Controller

Temperature Operating Range
+5 to +45 degrees Celsius

Altitude Limit
1000 meters above sea level

Continuous Power Range
10 to 30 kW

Operating Frequency
50/60Hz

Maximum Resolution
1/4 000 000th of a revolution

Speed set
+/- 10 Volts

Humidity Limit
70%

Design Standard
DIN VDE 0160

Control Electronics Voltage
AC 220V/50…60Hz

Current Type
150A

Voltage for Power Electronics
3 x AC 380 and 460V

Frequently Asked Questions

How is the RAC 3.5-150-460-A0I-Z1-220 spindle drive controller cooled?

This model features an internal blower for cooling, ensuring stable operating temperatures during high current output.

What is the rated current for the RAC 3.5-150-460-A0I-Z1-220 drive controller?

The RAC 3.5-150-460-A0I-Z1-220 offers a rated current of 150 A, making it suitable for high-power spindle applications.

Is the RAC 3.5-150-460-A0I-Z1-220 equipped with an additional bleeder?

This version is equipped with an additional bleeder, which helps manage excess energy during braking.

What type of speed command input does the RAC 3.5-150-460-A0I-Z1-220 accept?

The speed command for this model is issued via an analogue input of +/- 10 V for precise spindle speed control.

What interface terminal configuration does the RAC 3.5-150-460-A0I-Z1-220 feature?

The interface terminal on this controller is labeled X4 and supports 9 poles for connectivity requirements.

Common Misspellings

RAC 35150460A0IZ1220

RAC 3 5 150 460 A0I Z1 220

Rac 3.5-150-460-a0I-z1-220

Internal Product Review

The RAC 3.5-150-460-A0I-Z1-220 is a Bosch Rexroth Indramat AC main spindle drive controller featuring robust internal blower cooling and a rated current of 150 A for reliable high-power operation. Its analogue speed command (+/- 10 V) and incremental encoder output provide flexible integration into modern machine tools. The built-in additional bleeder further enhances heat dissipation, supporting continuous performance in demanding environments.