R911246838 (RAC 4.1-400-460-A00-W1)

RAC Spindle Drive Controllers

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The Indramat R911246838 (RAC 4.1-400-460-A00-W1) is an AC main spindle drive controller engineered for asynchronous main spindle motors, including the Indramat 2AD and 1MB frameless spindle motors. It provides continuous power output up to 93 kW and peak output of 120 kW, with a rated current of 400 A. The device supports rated connection voltages of 3 x AC 400 V (50 Hz, ±15%) or 3 x AC 460 V, and is designed with an internal blower for cooling. It integrates automatic internal position control loops, on-site parameter programming via keypad, fault diagnostics, and brake activation functions. The controller features analogue speed command input (±10 V), a nine-pole X4 interface terminal, and operates without an additional bleeder or encoder input.

Technical Specifications

Product Type
Main Spindle Drive Controller

Continuous Power Motor Output
52 to 93 kW

Feature
Closed internal automatic position control loop

Continuous Output
93 kW

Peak Output
120 kW

Programming
On-site through control panel keypad

Function
Storage of programming module

Additional Feature
Control panel displays for fault diagnosis

Cooling System
Included

Shipping
Global

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Internal Product Review

The RAC 4.1-400-460-A00-W1 is an AC main spindle drive controller from the Bosch Rexroth Indramat RAC series, designed for reliable operation with a rated connection voltage of 3 x AC 400 V or 3 x AC 460 V and a rated current of 400 A. An internal blower ensures efficient cooling, and the analogue speed command (+/- 10 V) allows precise spindle control. This spindle drive controller stands out for robust design and dependable performance in demanding industrial environments.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RAC 4.1-400-460-A00-W1.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells unused surplus and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.