Telco Sensors is well-known in the market for the comprehensive Assortment of high quality light curtains for sectional doors, overhead doors, fast sliding doors and shutters. The Telco Sensors SG15 Series replace expensive and fullcontact shock absorbers on electrically powered gates and doors. When using SG15 light curtains, the door goes up before it comes into contact with a human or object. This minimizes damage or injury to door, object or human being. It is a very discreet security system. TÜV certified as a safety device according to EN 12453.