R911377453 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Housing: Fully-sealed, IP65 protection class Operating temperature for rated operation: 0 to 40 degrees Celsius Operating temperature for derated output: 40 to 55 degrees Celsius Site elevation for rated operation: 0 to 1000 meters Site elevation for derated operation: 1000 to 3000 meters Operating relative humidity: 5 to 95% Absolute humidity: 1 to 29 g/m3 Cooling: Convection, optional surface cooling with fan Power Socket Position: Left side of housing Mounting: Flange-mounted, supports multiple positions.