Product Description:

The MDD090A-N-040-N2M-110GL1 is a synchronous servo motor produced by Bosch Rexroth Indramat in the MDD Synchronous Motors series. Designed for use with digital drive controllers, it supplies commanded torque and speed for positioning, feed axis, and indexing tasks in automated machinery. Its multi-turn absolute encoder returns rotor position immediately at power-up, so the connected drive can resume closed-loop control without a separate homing move. An integrated blocking brake secures vertical or suspended loads during shutdown and supports controlled stopping when the axis must remain in place.

During continuous operation, the motor can hold a load with 3.7 Nm of standstill torque, allowing closed-loop drives to maintain position without thermal overload. A nominal rotational speed of 4000 rpm supports rapid-cycle equipment that depends on fast servo response. The flange provides a 110 mm centering diameter so the housing pilots precisely into matching machine frames. Power and feedback cables exit on the left side, which can simplify routing when the cabinet is mounted to the right of the axis. All electrical terminations are grouped in a single keyed connector, which keeps cable attachment orderly and helps prevent wiring errors. Standard dynamic balancing helps limit residual vibration during high-speed operation.

For static holding, the internally actuated brake develops up to 6.5 Nm, preventing drift when drives are disabled. The motor belongs to frame size 090, placing it in the 90 mm class used for this platform. Feedback signals are generated through digital servo feedback, enabling the controller to restore absolute position after a power outage without additional sensors. The output uses a plain shaft with a shaft seal, which accepts zero-backlash couplings while helping keep lubricant contained. There is no side-B shaft end, so the compact A-length housing keeps the motor body shorter and leaves more room around the driven end.