R911312771 is part of the MKD Synchronous Motors Series by Indramat Motors.
Design: Brushless Operational Reliability: High Protection Category: IP65 Air Sealant: Used Motor Torque: Enhanced with Planetary Gears Gear Features: Low-maintenance, IP 65 Protection Optional Blower: Axial or Radial Ambient Temperature: 0 °C to +45 °C