Product Description:

The MAC090B-0-PG-2-LF/130-A-0 is an AC servo motor built by Bosch Rexroth Indramat for the MAC AC Servo Motors series. Classified as a motor for analog drives, it receives ±10 V command signals from matching amplifiers and delivers controlled rotary motion to machine axes, tooling tables, or feeding mechanisms. The design includes a PG winding variant and integrated tacho feedback so the drive can monitor actual speed in real time. Natural convection cooling eliminates the need for external blowers, making this model suitable for enclosed cabinets where airflow is limited.

At the electrical level, the winding resistance is 0.97 Ω and its inductance is 5.1 mH, which affect current rise time and the behavior of the analog current loop. When the shaft is locked, the motor draws a standstill current of 11.9 A to produce a standstill torque of 7.2 Nm. Continuous operation is referenced to a nominal speed of 1500 rpm. At this speed, the tachogenerator provides 3 V per 1000 rpm for feedback to the controller. The electromagnetic conversion factor is a torque constant of 0.67 Nm/A, while short-duration load surges can be handled with a peak pulse current of up to 86 A. A rotor inertia of 36 × 10⁻⁴ kg·m² balances rapid acceleration with smooth running, and the spigot can transmit up to 5 Nm without slipping.

Operating limits complement the electrical data. The housing carries a protection rating of IP65, so dust ingress is prevented and low-pressure water jets will not impair operation. Installation is allowed up to 1000 m above sea level without derating, and the motor mass is 18 kg. Heat flow through the stator reaches equilibrium after a thermal time constant of 60 min. Mounting is centered on a flange with a centering diameter of 130 mm, and the 24 mm shaft accepts standard couplings for direct load attachment.