Slotted optical switch, optical transmitter on one side and receiver the other side with transistor ouput.
OPTEK
Slotted Optical switch
Part # OPB 9354
Vertical slot
NO technical data sheet could be found
Half mount (single hole), 2mm slot
Complete with 4 wire colour coded connection lead which is 50cm length and terminated on a 3 pin "Molex" style female plug (two wires are strapped together at this plug)
COSMETIC CONDITION:
USED
CLEAN
NO physical damage at all
Tested and operating correctly
Supplied in a sealed clear plastic packet
USED
Exactly as desribed