The new patented opening device named SG bound electric opening device increases the range of electric openings, focusing attention on resistance in particular conditions.
These devices are made, for square and rectangular shapes, with aluminium profiles. The opening is always operated by a 230 V single-phase electric motor, provided with an end of stroke switch and a motor thermal protection.
Frame tightness is always guaranteed by 3 holding points, both while closing and with open skylight.
For continuous skylights, the opening device is available on 180 cm intermediate elements, with clear span greater than 125 cm.