Product Description:

The MSK100A-0300-NN-S1-AP0-NNNN is a synchronous servo motor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. The unit acts as a rotary actuator that converts commanded current into torque and speed for positioning conveyors, gantry axes, or tooling spindles in automated production lines. Its optical encoder returns absolute position data to a Rexroth drive so motion profiles can be executed with very precise timing. This arrangement supports closed-loop axis control in applications that require stable response during acceleration, deceleration, and repeated direction changes.

Thermal control is handled through natural convection, so the frame releases heat directly to the surrounding air without a separate cooling fan. The aluminum housing meets IP65 protection, which blocks dust ingress and resists water jets for installation in exposed machine areas. Feedback travels over the Hiperface serial interface, allowing the drive to exchange identification, parameter, and diagnostic data through a shielded conductor pair. Inside the encoder, an optical disk produces 128 signal periods per revolution, giving the controller a suitable base for smooth speed regulation. Mechanical output is transmitted through a shaft with keyway, which helps couplings or pulleys resist rotational slip during acceleration and braking.

The motor uses Motor Size 100, placing it in a frame suited to mid-range servo applications. Winding code 0300 is used with resistance and inductance values that match mid-range IndraDrive amplifiers. Supplied without a holding brake, the motor relies on external holding force or drive torque when the axis must remain fixed after power is removed. Rated performance is maintained in an ambient range of 0–40 °C, which suits standard industrial plant conditions. The stator insulation system is built to Class 155, allowing the windings to tolerate internal temperatures up to 155 °C during frequent cycling and short overload periods.