R911329523 is part of the MSK Synchronous Motors Series by Indramat Motors.
Construction: Compact Dynamics: High Torque Density: High Precision: Extreme due to new optical encoder systems Encoder: Optical, single-turn EnDat 2.1 type System Accuracy: +/- 20 angular seconds Holding Brake: Equipped Pole Pairs: 4 Maximum Speed: 4600 rpm Cooling Mode: Liquid-cooled Insulation Class: F