Product Description:

The MAC025A-0-WS-2-E/040-B-0/S004 belongs to the MAC AC Servo Motors series manufactured by Bosch Rexroth Indramat. It is a brushless AC servo motor intended to pair with external power amplifiers so that precise rotary motion can be used in pick-and-place stations, feeders, and small-format tooling spindles. Within an automation loop, it supplies repeatable torque and speed while the attached controller supervises current, voltage, and feedback signals. Its brushless design reduces commutator wear and supports consistent response during frequent starts, stops, and short positioning moves.

Heat is removed through natural convection, so the housing must remain exposed to ambient air without additional blowers. Because cooling depends on free air around the housing, enclosed mounting spaces can reduce the available continuous load. Winding code WS identifies the electrical configuration used for the motor's voltage constant and phase resistance. Integrated tacho feedback generates an analog velocity signal that the companion drive uses for closed-loop speed regulation without a digital encoder. The motor size is 025, which keeps the package compact for small axes. Frame designation A indicates the short motor length used in this series.

Service wiring is simplified because the power leads exit through a connector on side B, allowing the cable to run parallel to the mounting surface and stay clear of moving parts. The side-exit connection also helps when the motor is installed close to machine panels or linear slides with limited rear clearance. The motor has no blocking brake, so any load holding during power-off must be provided by external mechanics or drive torque. Classified as a motor for analog drives, it accepts current commands from ±10 V regulators rather than fieldbus-based inverters. This arrangement suits retrofit systems and stand-alone control panels that use analog command interfaces.