... three-dimensional garage, and other dangerous area's protection.SNQ1080 series,direct transmission type, protective height 720mm, ... ......2840mmSNQxx80 80,240,400,560......1520mm3.Working principleThe protector consists of light curtain,signal cables,controller and ... on order;5. Application examples 6.SNQ series photoelectric protection device order instructions controllerN-type (built-in) *W-type ...