devices are available for modular installations/DIN rails 45mm as type
NT 12B or for lighting fixtures installations as type KT1BE. They have
2 control type systems, which can be used one or both, even simultaneously.
1-Button Control: by pressing the button briefly it switches
ON/OFF, by pressing the button longer it dims alternately up and down.
After the lamps have been switched OFF and they be switched ON again,
the last light intensity (stored in memory) will retrieve again.
2-Buttons Control: by pressing the button BRIGHTER briefly
it switches ON, by pressing the button longer it dimms BRIGHTER to maximum
level. By pressing the button DARKER briefly it switches OFF, by pressing
the button longer it dimms DARKER to minimum level.
Also with 2-pushbuttons controls the last light intensity will be stored
in memory. The transition time on NT12B is between ca. 1-15 sec. adjustable,
on KT1BE it is 4 sec. fixed.