Rising barrier designed for highway toll booths, with high performances. Variable speed control supplied with 230 Volts single-phase. Auto-aligning fl ange bearing for main shaft, lubricated for life. Three-phase reversible reduction motor brake, lubricated for life, ensures the perfect protection of the mechanism in case of malicious forced raising of the boom. Operating temperature: from - 20° C to + 60° C (without optional heating). Boom made from aluminum alloy with an 80 x 53 mm oval profile with orange reflective stripes. Boom swing-off system in case of impact with swing-off sensor. Automatic opening in case of electrical power supply interruption with spring anti-drop system. Adjustable opening and closing speeds from 0.6 s to 2.5 s in continuous service. High speed performance: 50 vehicles per minute. IP55 Housing made of folded and welded sheet steel, from 2 to 5 mm thick, protected by two coats of structured paint (standard colour: orange RAL2000). Arm length: 4 meters.