SI-HG63A - 

Turck SI-HG63 Series Hinge Switches
The SI-HG63 series hinge switches have been designed to attach to a purpose built load bearing hinge. The actual safety switch is built into a highly robust PBT housing. This housing is then screwed onto the hinge. Hinges have a selection of either fine cast stainless steel or zinc die-materials. Right hinge, left hinge and right angle hinge models are available making the suitable for many applications. The hinges operate to a full 270° range and it is possible to adjust the switching point over the full 270° operating range.