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R911308354 (MSK071E-0450-FN-S2-UG2-RNNN)

MSK IndraDyn S Synchronous Motors

MSK071E-0450-FN-S2-UG2-RNNN Series Image

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The R911308354 (MSK071E-0450-FN-S2-UG2-RNNN) is a synchronous servomotor from Bosch Rexroth featuring a liquid cooling system and increased concentricity construction. This model employs an optical single-turn EnDat2.1 encoder with a 2048-period resolution and a rotatable 240° connector. The unit is rated for IP65 protection, supporting operation in environments exposed to dust and water, and incorporates insulation class 155. The motor body weighs 23.5 kg, includes a plain shaft, and is fitted with an electrically released holding brake providing 30 Nm torque. At 100 K, it delivers a continuous torque of 28 Nm at 24.4 A and supports a peak torque of 84 Nm with a maximum current draw of 90.1 A. The moment of inertia is 0.00290 kgm², and the winding inductivity is specified at 2600 mH. The motor’s thermal time constant is 19.8 minutes, and manufacturer-specified cooling attachments are required for correct operation.

Technical Specifications

Category
Synchronous Motor

Weight
23.5 kg

Sound Pressure
<75 dB

Protection Standard
IP65

Insulation Value
Class 155

Encoder
EnDat2.1 single-turn absolute

Current (Operational)
24.4 A

Torque (Operational)
28 Nm

Maximum Torque
84 Nm

Moment of Inertia
0.00290 kgm2

Current (Liquid-Cooled Stationary Mode)
38 A

Torque (Liquid-Cooled Stationary Mode)
43.7 Nm

Plug for Electrical Connection
240-degree rotatable

Holding Brake (Mass)
1.6 kg

Holding Brake (Nominal Current)
0.94 amps

Holding Brake (Connection Period)
35 milliseconds

Holding Brake (Disconnection Period)
125 milliseconds

Polar Pairs
4

Thermal Time Constant
19.8 minutes

Storage and transport temperature
-20 to +80 degree centigrade.

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1620 Old Apex Road
Cary, NC 27513, USA

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1620 Old Apex Road
Cary, NC 27513
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