The Theben BZ 142-1 Hour counter with synchronous motor drive front panel devices, with click-in or stretch clamp supports for walls up to a maximum of 10 mm thick clamp or flat plug connection 6.3 mm.
Hour counter with synchronous motor drive Stretch clamp supports for walls up to a maximum of 10 mm thick Clamp or flat plug connection 6.3 mm Versions for direct voltage with quartz-controlled stepper motor Progress display
