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R911246986 (1MS312B-4A-A1)

1MB High-Speed Asynchronous Motors

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The R911246986 (1MS312B-4A-A1) is a Bosch Rexroth motor stator engineered for use with 1MB motors, specified by a B frame length, 312 frame size, and 4A winding code. This stator is implemented in applications demanding high power density, including machining centers and grinding machines. It incorporates liquid cooling to transfer rotor power losses to the coolant via an integrated aluminum cooling jacket. A 1.5-meter fixed cable is mounted at the stator end with a larger output diameter. Installation and handling must follow the technical guidelines and be performed by qualified personnel.

Technical Specifications

Application
1MB Motors

Frame Size
312

Frame Length
B

Winding Code
4A

Cooling Method
Liquid Cooling

Power Density
High

Cooling Jacket Material
Aluminium

Electrical Connection
Via 1.5 Meter Cable

Compatible Drive Controllers
Yes

Shipping
Global

Trained Personnel Requirement
Yes

Modification
Not Permitted

Damage Use
Not Permitted

Hardware Installation
According to Instructions

Firmware Programming
Prior to Motor Startup

Safe Assembly, Installation and Ambient Conditions
Described in Documentation.

Common Misspellings

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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Indramat USA 1 Year Warranty

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We offer a repair service for the 1MS312B-4A-A1.

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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.