Catalog > Consumer Electronics > Kits > Kemo Kits Catalog > Consumer Electronics > Kits > Kits (By Function) > Alarms / Detectors / Security Light Barrier Light Barrier KEMO B194 LIGHT BARRIER 6-12V Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Whenever there is incidence of light onto the phototransistor, the light barrier will switch on a light emitting diode. As soon as the light beam will be interrupted, the LED will switch off. Accessories available : kit "B197 Relay card". It is possible to connect it with the light barrier and to switch with the relay contact other loads up to 3 A. Specifications Operating voltage 6 - 12 V/DCBoard dimensions approx. 45 x 15 mm Additional Information Group Alarms / Detectors / Security Model B194 PCB Size 45x15mm Voltage 6-12VDC