Optek OPB840W51Z Screw Mount Slotted Optical Switch, Transistor Output

Optek OPB802W55Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB993L11Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB810W51Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB490T11Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB942W55Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB831W55Z Panel Mount Slotted Optical Switch, Transistor Output

Optek OPB941W51Z Panel Mount Slotted Optical Switch, Transistor Output