日本竹中SS40-T10，SS40-T4，SS40-T8，光幕
光軸間距為40mm
內設抗干擾電路，防止并排安裝時出現相互干擾
SS30/40系列檢測距離遠可達7m
SS40FS-T16C                            
SS40-T10                                                       
SS40-T12                                                     
SS40-T14                               
SS40-T16                               
SS40-T16B-S3                           
SS40-T18                               
SS40-T20                                                  
SS40-T22                               
SS40-T24                                                     
SS40-T24-BH                            
SS40-T24-PN                            
SS40-T24PN                                                 
SS40-T28                               
SS40-T4                                                        
SS40-T8                                                        
SS40-T8-PN                                                  
SS40-TL10                                                   
SS40-TL12