Electronics has come a long way in many industrial applications and uses. It can be applied anywhere, everywhere. The innovations of GANTER GRIFF,offers exclusive monitoring of different equipment. The GN 139.1 Hinges with safety switch is designed for the position monitoring of pivoted protective safety equipment, e.g. protection covers.Built within the mechanical hinge is the switching element, totally invisible from the outside. It is encased with a covered bolts at the rear to make the hinge tamper-proof. Its simple and ergonomic design combines safety and portability. The broad hinge wing version is designed for mounting against glass or polycarbonate doors.