ET1820-1,SENSOR THROUGH-BEAM 20M M18
ET1820NPAS,SENSOR THROUGH-BEAM 20M NPN
ET1820NPAS-1,SENSOR THROUGH-BEAM 20M NPN
ET1820PPAS,SENSOR THROUGH-BEAM 20M PNP
ET1820PPAS-1,SENSOR THROUGH-BEAM 20M PNP