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R911256105 (RAC 3.5-150-460-A00-W1-220)

RAC Spindle Drive Controllers

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The Bosch Rexroth main spindle drive controller, MPN R911256105 (RAC 3.5-150-460-A00-W1-220), enables digital control of asynchronous and frameless main spindle motors with a rated connection voltage of 3 x AC 400V, 50Hz, ±15% or 3 x AC 460V. It features emergency stop and mains contactor circuits, a control panel with display and keypad, and multiple interface terminals, including X4 (9 poles), for integrating control voltage, motor NTC-resistor, and power connections. The device is designed for high stiffness in numerically controlled machines and supports analogue speed command input (±10 V). The internal blower operates at 220VAC, 50/60Hz. Rated at 150A, the controller maintains a continuous power output of 35kW, with continuous and peak regeneration outputs of 27kW and 40kW, respectively. Operation above 1000m altitude may reduce performance. Condensation and large foreign object resistance are provided, and installation in control cabinets requires standard safety measures. The unit weighs 49kg and does not include additional bleeder or encoder interface.

Technical Specifications

Product Type
Main Spindle Drive Controller

Programming Module
AS

Motor Type
Asynchronous and Frameless Spindle Motors

Operational Feature
Emergency Stop and Mains Contactor Circuits

Control Panel
Keypad and Display

Altitude Threshold
1000m above sea level

Humidity Level
Class F (DIN 40 040 specifications)

Size of Barring Foreign Objects
Diameter more than 50mm

Installation
Back wall of the sealed housing using M8 screws

Inbuilt Fan Rating
220VAC, Frequency 50/60Hz

Motor Output Power
Continuous power output of 35kW

Shipping
Via UPS partners

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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 3.5-150-460-A00-W1-220.

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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 factory new 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.