Overview At a glance Type 4 (IEC 61496), SIL3 (IEC 61508), PL e (EN ISO 13849) Rugged construction Universal application possibilities Ranges up to 70 m Relay outputs Front screen heating Your Benefit Extremely rugged for high system throughput Well-suited to extreme ambient conditions such as heat, cold or moisture Few variants because of a uniform sender Easy electrical integration using cable gland and relay output The WSU/WEU26-3 photoelectric safety switch is used for access protection for hazardous areas on machines or systems. It has a self-testing sender and receiver. The devices are firmly mounted in the access area with the necessary safety distance from the nearest hazardous point, and send a deactivation signal to the machine or system if the light beam is interrupted. Applications Access protection systems for harsh ambient conditions in the stone or cement industry Access protection systems for regions with low ambient temperatures Access or area protection on machining centers and robot cells Note Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.