R911257048 is part of the MDD Synchronous Motors Series by Indramat Motors.
Specs
Product Type: Servo Motor Design: Brushless Lubrication: Lifetime Motor Feedback System: Digital Servo System Accuracy: ±0.5 angular minutes Measuring Principle: Optical Data Storage Feature: Yes Electronic Commutation: Yes Housing Material: Black Prime Varnish Housing Rating: IP 65 Centering Diameter: 95mm Nominal Speed: 4,000 revolutions per minute Cooling Method: Natural convection and surface cooling Temperature Monitoring: Yes Output Shaft Type: Plain type with a shaft sealing ring