XUSL type 4, For hand protection, Std sensing range, Hp = 1810mm, R=30mm. range of product: Preventa Safety detection – product or component type: safety light curtain type 4 – device short name: XUSL4E – product specific application: for hand protection – minimum object diameter for detection: 30 mm – [Sn] nominal sensing distance: 0…12 m by cabling, 0…4 m by cabling – height protected: 1810 mm – number of beams: 91 – type of start: automatic, manual.