R911260857 (1MS200D-4D-A1)

1MB High-Speed Asynchronous Motors

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The R911260857 (1MS200D-4D-A1) stator is specified for Bosch Rexroth 1MB motors with a frame size of 200, length D, and a 4D winding code. This component incorporates an aluminum cooling jacket intended for motors with a power requirement of 2.7 kW and liquid coolant operation. The recommended coolant inlet temperature is 10–40°C, with a flow rate of 4 L/min. The stator mass is approximately 29 kg. Electrical connection is made at the cable's larger-diameter end. It is designed for ambient temperatures from 0 to 40°C and installation altitudes up to 1000 meters; motor output may be reduced outside these ranges. Handling and installation should be conducted by personnel trained in electrical systems and in accordance with Bosch-specified accessories.