Fully retractable, heavy duty, automatic bollard consisting of an oil-hydraulic motor-pump unit incorporated inside the main structure and an oil-hydraulic actuator inside the moving cylinder. Suitable for the protection of sensitive areas where a high level of perimeter security is needed, designed to withstand a vehicle of 6.8 t at a speed of 50 km/h. IP 67. Height is 800 mm from ground level. Scratch-proof S355J2H steel cylinder, thickness 12 mm and ø 275 mm, cataphoresis treated and polyester powder coated (an AISI 304 brushed stainless steel cover sleeve also available). Cylinder head made of aluminium fitted with rubber edge and 12 amber-colour integrated LED lights, burglar-proof cover plate made of cataphoresis treated aluminium. Head and cover plate are slip-proof and tread resistant. Moving cylinder fitted with an approved retro-reflecting, high intensity micro-prismatic adhesive film (h 80 mm). Hot-dip galvanized steel pit. Release spanner with a triangular socket allowing manual lowering in an emergency. Impact resistance 150.000 J, breakout resistance 700.000 J, static load max 1.500 kg (bollards in raised position), max 20.000 kg
(lowered). Working temperature -40 ÷ +80 °C. Supply voltage 230 Vac ± 10%, 50 Hz. Absorbed power 1.100 W. Rising time ~ 4,50 s. Intensive use 2.000 cycles/a day.