Product Description:

The MDD025A-N-100-N2G-040MA1 is a compact synchronous motor produced by Bosch Rexroth Indramat for the MDD Synchronous Motors series. It is intended for use with digital drive controllers and converts electrical commands into precise rotary motion for high-speed positioning tasks in assembly, packaging, and printing equipment. The compact 025 frame with A-length housing helps the motor fit into restricted machine spaces where low moving mass supports quick response. It is suitable for compact servo axes where rapid acceleration and precise position control are more important than high output torque.

A centering collar of 40 mm helps align the motor on the mounting flange, and power and feedback cables exit on side A for straightforward routing. The motor delivers a continuous standstill torque of 0.33 Nm, which suits low-inertia loads that need steady holding force at zero speed. During operation, the motor reaches a nominal speed of 10,000 rpm, supporting short cycle times on fast indexing axes. Position information is provided by resolver feedback, which uses analog signals that remain stable over long cable runs and in electrically noisy environments. Standard rotor balancing also helps limit vibration during high-speed operation.

For power-off holding, the blocking brake provides 1.0 Nm of static torque. Electrical connections are made through a single connector, and the output shaft uses a keyway so torque can be transmitted securely to the driven load. The motor is supplied without a shaft seal, so it is best used in clean areas rather than locations exposed to fluid spray. A sealed mounting surface is still important to help keep contaminants away from the bearing area. The housing follows the standard enclosure form used in this series, and the motor has no rear shaft extension, leaving the rear area available for the integrated brake assembly.