• The OPTEX OA-EDGE T has been developed to increase the safety of automatic swing doors. The OA-EDGE T is based on OPTEX Active Infrared triangulation technology. Due to its modular design, you can upgrade the safety level of the sensor by adding additional modules. The OA-EDGE T complies with the latest European regulation EN 16005 and has been tested and approved by the German test organization TUV.