- 17.5mm width module box, extendable;
- Box has a detachable end plate;
- Extension box is sideless;
- Each module, has 8 removable screw terminals;
- Top hat 35mm DIN rail or surface mounting;
- Moulded in flame retardant UL94-V;
Warning: In order to fit a Fibaro module, the side cover of the box has to be removed.