Robust housing made of injection-moulded aluminium.
Water-resistant outer door made of 5mm-thick corrosion-proof sheet steel.
Door strip not visible or assailable from outside.
Doorknob with predetermined breaking point.
Cover contact (microswitch)
Front with close-meshed surface protection (drill and intrusion protection).
The cover contact and surface protection can be monitored for interruption and short circuits by a security system to protect against sabotage or intrusion.
Inner door made of 5mm-thick corrosion-proof sheet steel.