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R911255337 (MDD090A-N-020-N2M-110PA0)

MDD Synchronous Motors

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The Bosch Rexroth R911255337 (MDD090A-N-020-N2M-110PA0) is a digital AC servomotor designed for optimal performance in robotic applications. This device can only be operated when paired with a digital drive controller and employs a non-positive shaft-hub-connection. Featuring IP 65 protected power and feedback cable connections and a floating bearing on the A-side, this motor ensures robust operation and longevity. It employs a digital servo feedback facilitated by an integrated multiturn absolute encoder for precise control. The motor provides a steady torque of 3.7Nm in standstill mode using natural cooling and has an axial force that is 0.34 times the acceptable radial force. With a weight of 12.5kg and Class F insulation, the motor is built for durability and efficiency. For optimal operation and safety, start-up should be performed by a certified electrician. Please note, excessive shaft loads can risk bearings damage. The motor comes with a one-year warranty.

Technical Specifications

Recommended Use
Robotics-related applications

Protection Category
IP 65

Size Code
090

Shaft Connection
Non-positive type shaft-hub-connections

Frequency Range
2Hz to 9Hz

Mounting Design
Both B5 and B14

Continuous Torque
3.7Nm

Cooling Method
Natural cooling

Power Connector Orientation
Side A

Connection for Feedback
12-pin flanged socket

Axial Force
0.34 times the permissible radial force

Power Connector
INS 252

Flange Design
DIN 42948 specifications

Center Hole in Shaft
DS M3-8 as per DIN 332, Section 2 specifications

Protecting Motor Switch
Yes

System Measuring Principle
Inductive

Permissible Continuous Torque
With S1 operating mode

Motor Position Detection
Absolute indirect

Weight
12.5kg

Insulation
Class F

Storage and Transport
Needs to be kept dry

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the MDD090A-N-020-N2M-110PA0.
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