Safety control unit PSE4-SC-01, Safety control unit from the PSE4 series, Safety Sensors, Safety control unit, For evaluating safety thru-beam sensors PSE4-SL, Safety category 4 according to EN61496-1, 24 V DC supply voltage, 2 safe output contacts, Performance level PLe (EN13849-1) is attainable, Component of PSE4 modular system