EE-SPW311,PHOTO REC/TRANS/1M DIST/DARK ON
EE-SPW321,PHOTO REC/TRANS/300MM/DARK ON
EE-SPW321-A,OPTO SENSOR DARK-ON TRANS
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
