Product Description:

The KSD041C-0420-NN-M1-1P2-NNNN is an integrated servo motor from Bosch Rexroth Indramat in the KSD IndraDrive Mi Motors series. The unit places drive electronics and mechanical actuation in one sealed housing for decentralized machine layouts. In an automation cell, it delivers closed-loop axis motion, enabling packaging, assembly, or material-handling stations to position loads quickly while reducing cabinet wiring.

During steady operation, the motor produces a continuous torque of 2.2 Nm, which pairs with its rated power of 495 W to drive moderate-inertia axes such as grippers or small conveyors. The embedded power stage can supply a maximum current of 6.8 A, producing electromagnetic effort in proportion to the torque constant of 1.60 Nm/A. The IP65 enclosure resists dust ingress and low-pressure water jets on the production line. The integrated holding brake has a clamping delay of 25 ms and a release delay of 35 ms, providing predictable engagement during emergency stops. Under full electrical load, the electronics dissipate 70 W, and the surrounding airflow must remove this heat. Static retention is provided by a holding torque of 4.0 Nm. The brake adds 0.000023 kg·m² of inertia, which has a limited effect on rotor acceleration in most applications.

Dynamic performance peaks at a maximum torque of 9.4 Nm, allowing short bursts for acceleration or disturbance rejection. Rotor dynamics are governed by a rotor inertia of 0.00019 kg·m², while the overall assembly weighs 5.8 kg, which must be considered when the motor is mounted on a moving carriage. Thermal behavior is characterized by a thermal time constant of 13 min, giving the windings several minutes to approach a steady operating temperature after the load changes. With a voltage constant of 98.2 V/1000 rpm, the motor generates back electromotive force in proportion to its rotational speed. The drive must accommodate this generated voltage during high-speed operation to maintain stable current regulation.