Traffic ligtht buzzer for blind people. Sygnalizator akustyczny dla niewidomcyh do monta?u na urz?dzeniach sygnalizacji ?wietlnej na skrzy?owaniach i przej?ciach dla pieszych. Zakres temperatur pracy -40+70oC. Zasilanie 25-55VAC. Pobór mocy 2VA. Stopie? ochrony IP64. Dokumentacja SZN-5 Signal device for blind and vision impaired persons SZN-1 enables safe orientation on intersections controlled by traffic lights. The device serves to vision impaired persons, proceeding to the pedestrian traffic crossing to differentiate the functioning of green or red light in his/her walking direction.
Features - color of lights is signalised with beating of different frequency (red light 2 beats per sec, green light 8 beats per sec
- mechanical installation by screws direct on the case of lights
- electrical connection with three wires to the terminal board inside the case (parallely to bulbs)
- suitable to most climatic conditions (operating temperature from -40°C to 70°C, coverage IP64
- power supply 25-55VAC/50Hz
Advantages - reliability
- simple installation
- low cost
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