R911291148 is part of the MHD Synchronous Motors Series by Indramat Motors.
Specs
Application: Servo and main drive motors Shaft Type: Plain Connections Protection: Extra-Low Voltage Operating Temperature: 40°C Relative Humidity: 95% Setup Height: 1000 m above mean sea level Housing Varnish: Prime coat black in a/w RAL 9005 Cooling: Natural Convection Protection Class: IP 65