Product Description:

The MDD090A-N-040-N2L-110GL2 is a synchronous servo motor produced by Bosch Rexroth Indramat within the MDD Synchronous Motors series. Intended for operation with digital drive controllers, this motor converts commanded current into regulated torque and speed for automated machinery, positioning tables, and packaging axes in industrial automation. Its design supports closed-loop control architectures where high dynamic response and compact dimensions are required. The unit integrates mechanical, electrical, and feedback elements into a single housing, so installation inside multi-axis systems is simplified compared with separate motor and sensor assemblies.

At the mechanical interface, the centering pilot measures 110 mm, allowing direct mounting to gearheads or machine frames without adapters. Dynamic performance is tied to the rated speed of 4000 rpm, so the drive must supply the corresponding electrical frequency for full synchronous operation. When held motionless, the motor can deliver 3.7 Nm continuously, which is suitable for light clamping or feed-axis duty. Balanced to the standard grade, vibrations remain within limits for precision tools. Electrical and signal conductors exit on the left side through a keyed connector, simplifying cable routing in compact cabinets. The housing uses standard aluminum with integral fins, and a shaft seal is installed to limit coolant or dust ingress at the output end. Because the shaft end is supplied only on side A, the rear bearing can sit close to the feedback unit, which helps shorten the overall length.

Position and velocity data are supplied through digital servo feedback, enabling the controller to close loops at high bandwidth while compensating for load changes. During power loss or an emergency stop, a blocking brake generates 11.0 Nm of static torque to secure the load. The output interface is a plain shaft machined to ISO tolerances, and its smooth surface accepts custom couplings without a keyway. This release carries the motor size code 090 and the length code A, so it occupies less axial space than longer variants while keeping the same internal winding geometry.