Product Description:

Bosch Rexroth Indramat manufactures the MDD071A-N-040-N2S-095PR2 as part of the MDD Synchronous Motors series. Classified as a motor for digital drive controllers, it converts electrical command signals into rotary motion for positioning axes or speed-controlled machine functions in automated equipment. The design follows the size 071 frame and length code A, giving a compact envelope suitable for mid-range servo tasks where installation space is limited. A standard balancing grade lowers vibration so the rotor can couple directly to precision gear trains, and the compact housing fits layouts where adjacent axes are mounted close together.

The motor has a nominal speed of 4000 rpm, which supports fast indexing on axes that need short cycle times and responsive motion. Under continuous stall conditions, it delivers 2.2 Nm of torque, allowing stable force at zero speed when the drive is holding position. An integrated blocking brake adds 6.5 Nm of holding torque to help prevent drift when power is removed. Position feedback is provided by digital servo feedback (DSF), which sends high-resolution rotor position data to the drive controller. For accurate mounting, the flange has a 95 mm centering diameter that aligns the motor to the machine face and helps reduce radial runout.

Power and feedback cables exit on the right side, which can simplify routing when the motor is mounted with limited clearance on the opposite side. The motor uses a detachable connector, so the cable set can be disconnected without opening the housing. A factory-fitted shaft seal helps protect the bearings in oily or dusty surroundings, and the output end uses a keyway shaft for positive torque transmission to pulleys or pinions. The housing and flange follow the standard geometry for the 071 frame, and the single-ended shaft saves space on side B when the motor is installed near other components.