Product Description:

The MSK050B-0300-NN-S2-UG0-RSNN is an IndraDyn S synchronous servomotor manufactured by Bosch Rexroth Indramat as part of the MSK IndraDyn S Synchronous Motors series. It provides closed-loop torque and speed control for automation axes that need fast response and stable positioning during repeated motion cycles. This type of motor is commonly used on compact handling units, indexing devices, and packaging equipment where rapid acceleration and accurate settling are important. The compact size 050 with length code B suits space-limited machine frames, and the plain shaft connects directly to belt pulleys or precision couplings. Because the motor is supplied without a holding brake, position at standstill must be maintained by the drive or by an external mechanical lock.

Heat is removed by natural convection, so the housing dissipates loss heat without forced air or liquid circuits. The IP65 enclosure helps protect internal parts from dust and low-pressure water jets, which supports installation near the machine rather than only inside sealed cabinets. Digital feedback is transmitted through the EnDat2.1 interface, providing reliable communication between the motor encoder and the servo drive. The optical system generates 2048 signal periods per mechanical turn, which supports precise commutation and repeatable position tracking during frequent start-stop motion. The feedback connector is rotatable through 240°, helping route the cable cleanly and reducing bending stress where installation space is limited.

The encoder uses optical scanning for accurate detection of the code disk, and its measurement range is single-turn, so absolute position is referenced within one revolution. This arrangement also supports steady feedback quality during low-speed operation and direction changes. The insulation system is rated Class 155, allowing the winding to withstand elevated operating temperatures during demanding duty cycles. Electrical behavior follows winding code 0300, which matches the motor to compatible drive settings across normal industrial ambient conditions. Increased concentricity helps promote smooth shaft rotation, which can improve running behavior in precision couplings and belt-driven assemblies. Factory-supplied explosion protection also expands the range of installations where the motor can be applied.