Product Description:

The MSM040B-0300-NN-M0-CG0 is a compact synchronous servo motor produced by Bosch Rexroth Indramat within the MSM IndraDyn S Synchronous Motors series. As a servo actuator, it converts electrical energy into precise rotary motion for CNC stations, pick-and-place gantries, and small transfer modules that require accurate starts, stops, and position changes. The motor is intended for use with IndraDrive controllers, where closed-loop control supports repeatable axis movement and dependable response in space-limited automation equipment. Its compact form also helps when machine layouts leave little room for larger motor frames.

The motor relies on natural convection for thermal management, so its aluminum housing releases heat to ambient air without a fan. Power and feedback conductors exit through a cable tail, which uses a factory-molded pigtail instead of a field-installed connector and keeps the wiring arrangement straightforward. Rotor position is captured through a multiturn absolute encoder, allowing the control system to retain shaft angle and revolution count after power loss. The unit is supplied without a holding brake, so a separate mechanical restraint or drive-generated torque is required when the load must remain stationary at shutdown. A frame designation of 040 places the motor in a small stator diameter class suited to compact axes and moderate moving masses.

The motor uses stack configuration B, which indicates an intermediate length that balances output capability with overall size. Its electrical behavior corresponds to winding code 0300, so the matching drive must be set for the appropriate current and back-EMF characteristics. This combination helps the motor fit applications that need compact dimensions, consistent encoder-based positioning, and simple cable routing without additional cooling hardware. Because the encoder stores both angle and turns, restart sequences can be shorter on machines that must resume from a known axis position.