MAC112B-0-GD-4-C/130-A-0/DI520LV/S021

The Bosch Rexroth Indramat MAC112B-0-GD-4-C/130-A-0/DI520LV/S021 from the MAC AC Servo Motors series by Bosch Rexroth Indramat is a high-precision permanent magnet motor engineered for demanding industrial applications. It delivers a continuous current at standstill of 41 A and a continuous torque at standstill of 16 Nm with a nominal motor speed of 3000 rpm. The compact design features a Motor Size of 112 frame and a Motor Length of B, resulting in a robust yet space-saving package. Natural convection cooling ensures efficient heat dissipation without auxiliary fans, supporting reliable operation even under sustained loads.

This AC servo motor is built for rapid response and high dynamic performance, handling a maximum peak of pulse current of 223 A for brief torque boosts. With a torque constant at 20 degrees C of 0.43 Nm/A, the MAC112B provides precise torque-to-current conversion, while the windings inductance of 1.2 mH and windings resistance at 20 degrees C of 0.09 Ohm support smooth current control. A rotor moment of inertia of 120 x 10^-4 kgm^2 delivers tight speed regulation, and a thermal time constant of 100 min ensures stable temperature management. Despite its capabilities, the motor weighs just 25 Kg, facilitating easy handling and installation.

Designed for harsh environments, the motor housing meets IP65 protection standards and operates from 0 to +45 °C ambient temperature. An incremental B encoder provides accurate position feedback, and the unit mounts in either B05 or B14 flange configurations per DIN 42950. The brushless construction, lifetime-lubricated bearings, and integrated thermoswitches enhance long-term reliability, while the B-side power connector simplifies cabling and system integration.