SLOTTED OPTIC SWITCH; Sensor Output:Tote; SLOTTED OPTIC SWITCH; Sensor Output:Totem Pole; Forward Current If:40mA; Forward Voltage:1.7V; Reverse Voltage Vr:2V; Aperture Width:1.27mm; Gap Width:3.18mm; Sensor Mounting:Panel / Chassis; Input Current:20mA; No. of Channels:1