635Y 220v non-resettable Hours Meter - Cramer

635Y  220v 50Hz non-resettable ETI (Elapse Time Indicator) by Cramer.

complete with bezel and four mounting screw set and fixing instructions ( fits into round hole)

Download Cramer 635Y datasheet: 

Status: displaying  3.6 Hrs possible "burn in test mileage" or unit has been in use, but as it comes as a complete kit and the fixings are still in the original sealed bag, so it doesn't appear to have been installed ! Anyway ... bargain price.