MDD025A-N-100-N2K-040FR1
The MDD025A-N-100-N2K-040FR1 is a compact AC servo unit built by Bosch Rexroth Indramat within the MDD Synchronous Motors series. It is sized for tight-space pick-and-place stations and small auxiliary axes, where its high nominal speed supports short cycle times. The motor interfaces directly with the manufacturer’s digital drive controllers and includes a blocking brake that can hold the load when power is off. That combination makes the unit suitable for compact vertical axes and other installations where controlled stopping and load retention are important.
Its electrical connection exits on the right side through a connector, allowing quick cable routing and removal without disturbing adjacent modules. Under continuous stall conditions, the motor produces 0.33 Nm of torque, which suits light indexing duties while keeping current demand modest. During operation, it can reach a rated mechanical speed of 10,000 rpm, a range that supports rapid acceleration and deceleration in short-cycle machinery. The built-in brake supplies a holding moment of 1.0 Nm, so the load can remain in place after motion stops and the drive is disabled. These values set the operating range that the matched drive controller must support during motion and standstill.
The mounting face includes a centering recess of 40 mm, which helps align the motor with compact servo flanges used in small manipulators. Rotor mass is kept low for frame size 025, and the standard balancing grade supports smooth rotation across the speed range. Position data are provided by an integrated absolute encoder and resolver feedback, giving the control system both absolute position information and a dependable feedback signal for closed-loop operation. Mechanical power is transmitted through a plain shaft without a shaft seal, so the bearing area should be protected from coolant and dust. The single-ended shaft and A-length housing help keep the overall motor envelope short for tightly packed machine frames.
