The top and bottom sides have different designs and can be used alternatively as an operating and display surface.
Snap-on caps which can function as an enclosure cover are available in 6 colors and 1 infrared-permissive version.
With sizes 555, 655 and 865, definable access protection can be achieved by use of the caps: tool opening, push-button, or blocking.
All sizes are available with a continuous membrane keypad area; 4 sizes additionally with display opening including a non-scratch window.
Up to 3 installation levels are available in the enclosure for PCBs or mounting panels.
On the cap sides a plug-in groove is provided for front or mounting panels. For example, this makes it possible to use adapter connectors with protection class IP 65 during field use.
The power supply to the electronics is variable according to the size: 2-4 micro batteries, 2-6 mignon batteries and 1-2 9V block batteries.
Versions with fitted battery compartments BE 30 (9V block or 2x mignon batteries) or BE 60 (2x 9V block or 4x mignon batteries) are available on request for sizes 555, 655 and 865.
Various accessories such as tip-up or other clips, wall fitting and a desktop drawer are available.
End caps in six colors
Caps made of infrared-permissible material
Various battery compartments
Definable access protection
Versions with display cut-out or continuous membrane keypad area