Safety light curtains protect personnel from injury and machines from damage by guarding points of operation, access ,areas . STF seriesProtection range, 400-3000mm;Protection range, 400-3000mm; Specification STFxx40(xx=04,06,08,10,40) Protection height= (xx-1) ×40mm, 120,1560mm Light axis pitch--40mm The product uses the reflection type design, the structure is reliable, the contour is artistic, ...