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R911274570 (1MS242N-4B-A1/S045)

1MB High-Speed Asynchronous Motors

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The R911274570 (1MS242N-4B-A1/S045) stator is designed for integration in Bosch Rexroth 1MB asynchronous frameless spindle motors. It features a class-F insulation category and operates within a temperature range of 0 to 40 °C, with storage limits between -20 and +80 °C. The stator, with two pole pairs and a winding resistance of 0.084 Ohms, includes a built-in overtemperature sensor and utilizes an aluminum cooling jacket capable of dissipating 3 kW at 3 bars pressure. Rated for a maximum installation altitude of 1000 meters, it provides 185 Nm torque, 33 kW power, and supports a continuous current of 98 A to reach up to 6800 rpm. The unit, weighing 81 kg, is intended for use with a matching rotor and operates at a nominal voltage of 282 V. IP00 protection restricts use to dry environments only. Professional installation and maintenance are required.

Technical Specifications

Product
Frameless Asynchronous Motors

Protection Category
IP00

Pole Pairs
2

Stator Winding Resistance
0.084 Ohms

Coolant Dissipation
3 kW

Coolant Operation Pressure
3 bars

Rated Torque
185 Nm

Rated Power
33 kW

Continuous Current
98 A

Maximum Speed
6800 rpm

Nominal Voltage
282 V

Approximate Weight
81 kg

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1620 Old Apex Road
Cary, NC 27513, USA

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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.