XUSL type 4, For hand protection, Long sensing range, Hp = 1510mm, 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…10 m by cabling, 3…20 m by cabling – height protected: 1510 mm – type of start: automatic, manual.