R911390717 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Design: Standard and Ex, device group II, EN 60079 Cooling Period: 140 minutes Effect of Dirt: Yes, the functions can get adversely affected Cleaning Interval: Regularly, for sufficient heat emission Operational Damage with High Temperature: Yes, bearing grease decomposition Cable Damage Check: At periodic intervals Reasons for Non-Run: Faulty drive controller or missing voltage supply Installation: As per regulations in the documentation Unspecified Applications: Not to be used for them Operating Temperature: Maximum 55°C, with derated performance Relative Air Humidity: Between 5% and 95% during operation Absolute Air Humidity: 1g/m3 to 29g/m3 during operation Packaging: Custom military-grade