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R911277965 (1MS160H-4A-A1/S010)

1MB High-Speed Asynchronous Motors

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The R911277965 (1MS160H-4A-A1/S010) is a Bosch Rexroth 1MS stator designed for use in high-performance industrial spindle motors. It operates at a voltage of 281 V, with a rated torque output of 64 Nm and a continuous current of 58 A. Constructed with an aluminum cooling jacket for efficient coolant circulation, it achieves a rated power of 20 kW at 3,000 rpm and supports a maximum speed of 12,000 rpm when paired with a 1MR rotor. The stator has a winding inductance of 1.79 mH, provides a torque of 1.23 Nm/A at 20°C, and weighs 21 kg without accessories. It features 2 pole pairs and integrates both NTC and PTC resistors for temperature monitoring and control compatibility.

Technical Specifications

Power Source
281 V

Rated Torque
64 Nm

Continuous Current
58 A

Rated Power
20 kW

Operating Speed
3000 rpm

Cooling System
Aluminum Jacket with Coolant

Location of Stator
Inside Main Spindle

Max Operating Speed
12000 rpm

Winding Inductance
1.79 mH

Torque Constant
1.23 Nm/A

Weight
21 kg (excluding accessories)

Number of Pole Pairs
2

Used as
Direct Drive

Delivery Provider
Indramat USA

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

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Indramat USA 1 Year Warranty

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We offer a repair service for the 1MS160H-4A-A1/S010.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.