R911256085 (RAC 3.5-100-460-API-W1-220)

Name: R911256085 (RAC 3.5-100-460-API-W1-220)
Brand: Indramat Drives
SKU: RAC 3.5-100-460-API-W1-220
Price: 751.00 USD

RAC Spindle Drive Controllers

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The R911256085 (RAC 3.5-100-460-API-W1-220) is an AC main spindle drive controller engineered for three-phase AC power supplies at 380V-460V (50-60Hz), with a rated current of 100A and a control electronics supply of 220V. Speed command is achieved via an analogue interface (+/-10V), and additional encoder input is available for either spindle or second motor feedback, supporting high-resolution INDRAMAT encoders. The drive contains an internal blower for cooling, with optional provisions for hose-based external cooling. Connection interfaces include a 9-pole X4 terminal and an incremental encoder output. The device operates optimally from 5 to 45°C, at altitudes below 1000m, and in environments under 70% relative humidity. Protection conforming to IP10 is provided, with IP54 inside a cabinet and IP24 for the cooling fan.

Technical Specifications

Power Supply
3xAC 380V-460V, 50-60Hz

Rated Current
100A

Control Electronics Voltage
220V

Speed Set-Point Interface
Analogue (+/- 10 volts)

Additional Encoder Input
Yes - for spindle feedback or 2nd motor feedback

Additional Encoder Output Interface
Yes

Cooling System
Inbuilt fan (hose cooling optional)

Instant Operation
Yes - AS programming module

Operating Temperature
5-45 degrees Celsius

Max Altitude Above Sea Level
1000m

Relative Humidity
Not more than 70%

Protection Category - Controller
IP 10

Protection Category - Interior Cabinet
IP 54

Protection Category - Fan
IP 24.

Frequently Asked Questions

How is the RAC 3.5-100-460-API-W1-220 spindle drive controller cooled during use?

The RAC 3.5-100-460-API-W1-220 is equipped with an internal blower and built-in fan for cooling the unit during operation.

What rated connection voltage is required for the RAC 3.5-100-460-API-W1-220 spindle drive controller?

This model supports a rated connection voltage of either 3 x AC 400 V at 50 Hz with a tolerance of +/-15% or 3 x AC 460 V.

What type of additional encoder input does the RAC 3.5-100-460-API-W1-220 provide?

It has an additional encoder input specifically for spindle feedback to ensure precise operation monitoring.

What additional output interface is included with the RAC 3.5-100-460-API-W1-220?

The RAC 3.5-100-460-API-W1-220 offers an incremental encoder output as an additional interface option.

What type of speed command input does the RAC 3.5-100-460-API-W1-220 accept?

This controller operates with an analogue speed command input of +/- 10 V for controlling spindle speed.

Common Misspellings

RAC 35100460APIW1220

RAC 3 5 100 460 API W1 220

Rac 3.5-100-460-apI-w1-220

Internal Product Review

The RAC 3.5-100-460-API-W1-220 is a Bosch Rexroth Indramat spindle drive controller featuring a high-resolution INDRAMAT encoder and an additional encoder input for advanced spindle feedback. Internal cooling is handled by a built-in blower, and the unit supports a rated current of 100 A for robust performance. This drive controller is well-suited for demanding applications requiring precise speed command and reliable operation.