Insulated housing Ci, protection class IP65, box size HxWxD = 280x200x160mm, for NZM size 1, protection class 2, impact-resistant polycarbonate, switch door coupling rotary handle red/yellow included, mounting plate pre-drilled for switch and optional PE/N terminals, housing cover prepared for rotary handle, cover opaque, wall mounting tabs, including cable entry option at the top and bottom.