E3S-AT11-L,EMITTER ONLY FOR E3S-AT11
E3S-AT11-L-M1J 0.3M,EMITTER ONLY FOR E3S-AT11M1J0.3M
E3S-AT11-M1J 0.3M,7M NPN CONN .3M HORZ
E3SAT16,
E3S-AT16,7M SEP NPN W/CONN HORZ
E3S-AT16-D,RECEIVER ONLY FOR E3S-AT16
E3S-AT16-L,EMITTER ONLY FOR E3S-AT16
E3S-AT21,7M SEP NPN W/ALARM HORZ