Product Description:

The MSK071C-0450-NN-M1-UP1-NSNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. The unit provides closed-loop rotary actuation in industrial automation, allowing IndraDrive controllers to position machine elements with high accuracy and repeatable speed profiles. Its mechanical interface follows the 71 mm frame format used in the series, which supports installation in compatible machine layouts. This suits packaging, handling, and other automated equipment.

Heat generated in the stator is removed through natural convection, so no external blower or liquid circuit is required. Adequate clearance around the finned housing helps maintain free air circulation during operation. The enclosure meets IP65 protection, blocking dust ingress and water jets, while a shaft with a keyway transmits torque to pulleys or couplings. An electrically released holding brake provides 23 Nm of static torque to hold vertical axes when power is off. Position feedback is carried through the Hiperface serial interface, and the optical encoder produces 128 signal periods per revolution for commutation. A 240-degree rotatable connector simplifies cable routing, and the optical sensing method resists magnetic interference.

The motor is built for both regular industrial duty and hazardous-area use, as indicated by its standard and explosion protection configuration. Inside the feedback device, a multiturn absolute encoder stores shaft position over multiple revolutions, so the drive can retain position information after shutdown. Stored multi-turn position data reduces the need for a return-to-reference sequence after power loss. Continuous service is permitted within a 0–40 °C ambient range, which suits typical cabinet-adjacent or machine-mounted installations. The windings use class 155 insulation to handle elevated copper temperatures during cyclic overloads. The 071 frame size, C length code, and 0450 winding code identify the motor's electromagnetic package and the electrical values used when matching the drive.