Product Description:

The MDD090A-N-020-N2L-110GB0 synchronous servo motor is produced by Bosch Rexroth Indramat and belongs to the MDD Synchronous Motors series. As a motor for digital drive controllers, it converts regulated electrical pulses into rotary motion for positioning axes, material-handling equipment, and other automated machinery. The unit is housed in a standard enclosure and uses a connector interface that matches Rexroth drive cabling, which helps keep wiring orderly inside machine frames. A standard housing profile also lets it share mounting dimensions with earlier MDD models. This arrangement supports installations where available space is limited and consistent motor geometry is important.

During continuous standstill operation the motor can deliver 3.7 Nm, providing stable holding torque when static loads must be supported without mechanical brakes. Under rated electrical frequency, it reaches a nominal mechanical speed of 2000 rpm, which suits mid-speed, high-precision positioning systems. The centering shoulder diameter of 110 mm aligns the stator accurately on the machine plate, reducing radial runout during operation. All power and feedback leads exit on side B, so cable routing can be concentrated in one direction, and a bonded shaft seal helps keep lubricant inside while limiting the entry of airborne contaminants.

Feedback is generated through digital servo feedback, allowing the drive controller to close high-resolution position loops without an external encoder. The rotor is ground to a standard dynamic balance grade, and torque is transferred through a plain shaft that omits keyways for clamp-style couplings. For axes that must remain fixed at standstill, the application must provide external holding force because the motor is supplied without a blocking brake. Size code 090 and length code A give the motor a compact frame that fits tight automation cells while leaving enough internal volume for the windings and connector-based power interface.