Product Description:

The MAC021A-0-YS-2-E/032-B-0/S001 is a compact AC servo motor produced by Bosch Rexroth Indramat for the MAC AC Servo Motors series. The unit translates control currents into precise rotary motion for packaging lines, light assembly stations, and semiconductor tooling. Its compact design allows installation in small and medium-duty automation axes where available space and straightforward wiring are important. The motor supports controlled velocity and positioning tasks when paired with a compatible drive amplifier.

The motor uses natural convection for cooling, so heat dissipates through the housing without an added blower. This passive cooling method reduces the number of moving components and eliminates the need to route power for a separate fan. Frame size 021 establishes the mounting face and shaft dimensions used by the smallest interfaces in the MAC family, making the motor suitable for space-constrained machinery. The magnetic stack has an A length code, indicating a short rotor and stator package that reduces mass and supports rapid acceleration. Velocity feedback is generated by an internal tacho feedback transducer, which produces a voltage proportional to motor speed for closed-loop regulation. Power conductors exit through a connector on side B, directing the cable toward the rear of many motor-mounting brackets and helping keep it clear of the driven mechanism.

The motor is supplied with no blocking brake, so a mechanical lock or continuous drive current must hold the load when the axis is stationary. As a motor for analog drives, it connects to voltage and current regulators that process proportional speed feedback rather than digital bus data. Its low-inertia design supports quick speed changes under light loads, which is useful for repetitive indexing and short positioning cycles. Direct coupling to compatible legacy amplifiers also allows the motor to operate in established automation systems without requiring a digital feedback interface.