The housing of the Main unit module including the front cover and the back part of the module is made of self-extinguishing high-quality polycarbonate.
The default housing colour of the Main unit module is light grey (RAL 7001). The colour of the module’s backplate is black (RAL 9005).
Front view
1 – User interface
2 – Front cover
3 – Screw point / Tamper-proof screw point
4 – Snap fit slot (top, bottom)
5 – Breakable plastic part covering the top/bottom entry point