EE-SPW411,PHOTO REC/TRANS/1M DIST/ LT ON
EE-SPW421,PHOTO REC/TRANS/300MM/LT ON
EE-SPW421-A,OPTO SENSOR LIGHT-ON TRANS
EE-SPWD311,OPTO SENSOR DARK-ON TRANS
EE-SPWD311-C,RECEIVER PHOTOMICRO SENSOR
EE-SPWD411,OPTO SENSOR PHOTOMICRO LIGHT-ON
EE-SPWL311,EMITTER PHOTOMICRO SENSOR
EE-SPWL311-C,EMITTER PHOTOMICRO SENSOR