REINFORCED CONSTRUCTION : Laser-cut steel door, 8 mm (total thickness 55mm) Double-walls (3+19,5+1,5 = 24 mm). Door and walls with insulating protection material ( rock wool ), not combustible. Lock on 3 sides by chromium-plated bolts,Ø25 mm. Strong robotized weldings. Suitatable for A4 file-holders. Fixing holes ( Ø 9,5 mm) at rear wall and base.

CLOSING SYSTEM : Digital electronic combinationsystem, CE tested. 111.111.000 possible variations, motorized . Alimentation : 6V battery (4 x 1,5V - LR6 AA ), external supply possibility ( 9V battery 6LR61 ). Low-Power processor (low consumption technology). Manipulation Test, anti-manipulation block. Basic combination : 00.00.00 ( 6 zeros ) On request : EmergencyCode Version , like for Hotel use ( of standard production on Mod.78 ) or programmable Time-Delay-Version.