Product Description:

The MAC025B-0-ZS-2-E/040-B-0 is an AC servo motor produced by Bosch Rexroth Indramat for the MAC AC Servo Motors series. It is intended for use with analog drive amplifiers in packaging lines, feeders, handling modules, and other automated machinery that requires controlled rotary motion. The motor converts drive-generated current into torque while its feedback device supplies the speed information needed for closed-loop regulation. This arrangement allows the connected drive to correct changes caused by varying loads and maintain stable operation during repeated acceleration, deceleration, and positioning cycles.

Heat is dissipated through natural convection, so the housing releases thermal energy without a fan or an external liquid-cooling circuit. The unit is supplied without a blocking brake, allowing the rotor to coast after power is removed unless an external holding device is installed. Applications that must secure a stationary or vertical load can use an external clamp or drive-generated holding torque. Speed information is provided by tacho feedback, which uses a DC tachogenerator to produce an analog voltage proportional to shaft speed. The motor has a size code of 025, giving it a compact mechanical envelope and low rotating mass for responsive acceleration. Its frame length is B, which provides the active motor length used for this configuration without increasing the housing beyond the intended compact format.

Power conductors enter through a connector on side B, directing the cable toward the non-drive end for organized routing in confined machinery. The 40 mm centering diameter aligns the motor accurately with a compatible machine plate, coupling assembly, or gearbox interface. Its flange-mounted arrangement supports rigid installation while helping keep the shaft aligned with the driven component. Classified as a motor for analog drives, the unit works with control systems that regulate motor current through analog command and feedback signals. This operating approach is suitable for established machines that use analog velocity loops rather than network-based digital motion commands. External coupling components should match the motor shaft and centering dimensions so that radial loading and alignment remain within the limits of the connected mechanical system.