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R911251781 (MDD093B-N-020-N2M-110GB1)

MDD Synchronous Motors

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The Bosch Rexroth R911251781 (MDD093B-N-020-N2M-110GB1) is an AC servo motor engineered for digital drive controllers, incorporating a plain output shaft with a shaft seal and a power connection on the B-side. The motor features an integrated multiturn absolute encoder and supports digital servo feedback (DSF). It has a continuous torque of 14.5 Nm at standstill, maximum torque of 45.1 Nm at 2,000 min⁻¹, and a nominal speed of 2,000 min⁻¹. Motor specifications include class N balancing, standard housing, centering diameter of 110 mm, 7.6 mH winding inductance, and IP65 protection. The integrated holding brake provides 11 Nm torque and operates at 0.5 A, 24 V. The unit weighs 22 kg and supports operation within temperatures from 0 to +45°C and storage from -20 to +80°C, up to 1,000 meters altitude.

Technical Specifications

Balance Class
N

Output Shaft
Plain

Sealing Ring
Top Positioned

Transport and Storage temperature range
-20 to +80 Celsius

Power Connection
B-side of the motor

Operating Condition
Weatherproof and 0 to +45 Celsius

Installation Height
Up to 1000 meters above sea level

Protection Rating
IP65

Thermal Time Constant
50 minutes

Winding Inductance
7.6 mH

Weight
22 Kg

Holding Brake
0.5 Kg

Clamping and Release Time
20 and 60 milliseconds

Holding Brake Current and Voltage
0.5 A and 24 V

Continuous Torque
14.5 Nm

Continuous Current
16.9 A

Centering Diameter
110 mm

Winding Resistance
0.77 ohm

Maximum Torque
45.1 Nm

Maximum Speed
2000 rpm

Encoder Type
Multiturn Absolute encoder

Cooling Type
Natural and Surface Cooling

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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We offer a repair service for the MDD093B-N-020-N2M-110GB1.

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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

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