For both types of shutter before cited, in case of big surfaces or particular dimensions, it's possible to better the shutter additioning at the roll a little motor of particular dimensions and peculiarity. Disponsable in three voltage ( 12 V - 24 V - 220 V), of big power, very low costs, dimensions reduced to the minimum and equipped with emergency system by unhooking of the motor, it represents the novelty in the field of the commercial and industrial vehicles and the best solution for each other type of utilization.
