Rising fenced barrier for industrial enviroments with high performances. Possibility of closing a very wide road. Electrical power supply single-phase 230VAC, 50/60Hz. Nominal Power: 450W. Left/Right round aluminium arm, lacquered white with red reflective strips, made up of 2 or 3 segments fitting into each other. The arm is mounted with an aluminium folding fence. Solid driving shaft for the arm, diameter 50 mm, mounted on 2 bearings lubricated for life. Operating temperature: from - 25° C to +45° C (without optional heating). Minimum opening/closing time: 5 s (adjustable through the control board). IP44 Sheet metal body folded and welded, from 3 to 8 mm thick, protected by two coats of structured paint (standard colour: orange RAL2000). Arm length: 4,35 meters.