Product Description:

The MSK050B-0300-NN-M2-UG1-RNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat as part of the MSK IndraDyn S Synchronous Motors series. This motor provides closed-loop rotary motion for packaging stations, pick-and-place modules, and other CNC axes where tight dynamic control is required in industrial automation. Its compact servo design supports responsive acceleration, repeatable positioning, and smooth speed regulation in machinery that runs frequent start-and-stop cycles throughout normal production.

Heat removal relies on natural convection, so the unit can be installed without external fans when the application remains within its allowed duty cycle. The B length, 050 frame, and 0300 winding code give the motor a compact electromagnetic package with a torque profile suited to medium-power drives. Rotor machining with increased concentricity helps reduce radial runout and supports accurate motion at the shaft. Feedback passes through a rotatable 240° connector to an EnDat2.1 optical encoder that provides 2048 signal periods per revolution and stores position as a multiturn absolute value after power is removed. An electrically released holding brake supplies 6 Nm of static torque to retain loads at standstill.

The housing is rated IP65, which helps keep out dust and protects against low-pressure water jets in industrial areas. Continuous operation is permitted at ambient temperatures from 0–40 °C, so additional ventilation may be needed if surrounding heat rises above that range. A plain shaft interface simplifies coupling to gearheads or pulleys and avoids the stress concentration that can come with a keyed connection. Coil insulation meets class 155, supporting elevated winding temperatures without insulation breakdown during normal operation. This combination is suitable for light to moderate duty cycles where stable position feedback and compact installation are important.