R911244442 (RAC 2.2-250-460-A0I-Z1)

Name: R911244442 (RAC 2.2-250-460-A0I-Z1)
Brand: Indramat Drives
SKU: RAC 2.2-250-460-A0I-Z1
Price: 427.00 USD

RAC Spindle Drive Controllers

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The Bosch Rexroth R911244442 (RAC 2.2-250-460-A0I-Z1) is a spindle servo drive within the RAC 2 drive controller series, designed for precise spindle motor control, including c-axis applications. It operates with a rated connection voltage of either 3 x AC 400 V at 50 Hz or 3 x AC 460 V, supporting a rated current of 250 A and a current type of 400 A. Key features include an internal feedback position control loop, analogue speed command (+/-10 V), direct current braking, an additional bleeder, incremental encoder output, and an emergency stop switch. The unit is cooled via an internal blower and is suitable for ambient temperatures from 5 to 45 °C. Interface connectivity is provided by a 9-pole X4 terminal.

Technical Specifications

Control Feature
Internal feedback position control loops

Voltage
3x400 Volts AC (50 Hz), 3x460 Volts AC (60 Hz)

Current Rating
400 Amps

Added Facility
Direct current braking

Connection Facility
Standardized, ready-made cables

Terminal Assignment
Identical

Additional Component
Bleeder

Method of Cooling
Built-in fan unit

Temperature Range
5 to 45 degrees Celsius

Drive Configuration
AS programming module

Water Protection
Not provided

User Control Panel
Yes, with display screen and keypad

Additional Interface
Incremental encoder output

Safety Features
Emergency stop switch, main contactor.

Frequently Asked Questions

Does the RAC 2.2-250-460-A0I-Z1 have an additional bleeder?

The RAC 2.2-250-460-A0I-Z1 operates with an additional bleeder.

What type of additional interface is provided in the RAC 2.2-250-460-A0I-Z1?

The RAC 2.2-250-460-A0I-Z1 has an incremental encoder output.

What is the rated current of the RAC 2.2-250-460-A0I-Z1?

The rated current of the RAC 2.2-250-460-A0I-Z1 is 250 A.

What is the cooling method of the RAC 2.2-250-460-A0I-Z1?

The RAC 2.2-250-460-A0I-Z1 uses an internal blower with a built-in fan.

What type of interface terminal does the RAC 2.2-250-460-A0I-Z1 have?

The RAC 2.2-250-460-A0I-Z1 has an X4 interface with 9 poles.

Common Misspellings

RAC 22250460A0IZ1

RAC 2 2 250 460 A0I Z1

Rac 2.2-250-460-a0I-z1

Internal Product Review

The RAC 2.2-250-460-A0I-Z1 combines incremental encoder output with enhanced thermal stability through its bleeder. It ensures smooth spindle motion and reliable long-term operation.