... -dimensional garage, and other dangerous area's protection.STQ1080 series,direct transmission type, protective height 720 mm,protective range ... 16, 20......72)STQxx40 (xx=04, 06, 08, 10......72)STQxx80 (xx=02, 04, 06, 08......20)Light axis pitch 20mm, ... explanation should be made on order5. Application examples 6.STQ series photoelectric protection device order instructions ontrollerN-type (built-in) ...