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R911250820 (MDD090C-N-020-N2M-110GB0)

MDD Synchronous Motors

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The Bosch Rexroth R911250820 (MDD090C-N-020-N2M-110GB0) is an advanced industrial automation equipment, featuring several components such as AC servo motors, synchronous motors, and drive controllers amongst others. With an absolute encoder, this model is operable in temperatures ranging from 0 to +45 degrees Celsius. Offering a static torque of 10.4 Nm, it requires a constant current of 12.1 Amps. With a motor power connection located on the B-side, it weighs 23 kg, has a 110mm centering diameter, and a straight output shaft. Notably, the MDD090C AC servo motor within this equipment is low maintenance. It allows a maximum torque of 58.6 Nm, consuming 72.9 A, with a torque constant of 0.86 Nm/A. It features a winding resistance of 1.20 ohms, a thermal time constant of 60 minutes, and a maximum nominal speed of 2,000 RPM, owing to its brushless design and permanently lubricated bearings. The model fits a balancing class of N, insulation class of F, and is manufactured with a protection class of IP65, ensuring robustness against dust and liquid.

Technical Specifications

Product Type
AC Servo Motor

Working Temperature
0-45 degrees Celsius

Standstill Torque
10.4 Nm

Standstill Current
12.1 Amps

Moment of Inertia
53 x 10-4 kgm2

Inductance
6.8 mH

Weight
23 Kg

Centering Diameter
110 mm

Shaft Type
Plain

Max Torque
58.6 Nm

Max Current Draw
72.9 A

Torque Constant
0.86 Nm/A

Power Connection Location
B-side

Winding Resistance
1.20 ohms

Thermal Time Constant
60 minutes

Balancing Class
N

Insulation Class
F

Cooling System
Natural Convection and Surface Cooling

Protection Class
IP65

Max Nominal Speed
2000 revolutions per minute

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Cary, NC 27513, USA

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1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

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