NK -301F series Outside Photocell Dusk Dawn Button Photo Control 

NK B/E type light control switch is suitable for automatic swithing control of street lamps, courtyard lamps, corridor lamps and other lighting fixtures.Adopt the wall type installation way, simple and convenient, can change acording to the natural light, realize the automatic control function of turning off the light in the day and turning on the light at night.The work is not affected by the change of ambient temperature;With 90- 277v wide voltage suitability and 12- second anti interference delay maintenance function, it can avoid damaging switch operation on lamps and protect lamps and lantems. The product has matching waterproof washer.

Cut off the power supply, put the product probe through the reserved hole (hole is greater than 10mm), screw on the nut (also can be customized double nuts fixed on both sides). and connect the power supply and lamp circuit as shown in the figure.Do not point the probe toward the artificial light source or its opposite,otherwise the product will make the lamp night cycle switch.During the daytime test, cover the probe with black tape or similar material and the lamp will automatically light up.Do not cover with the hand, because leak iluminant can make lamps and lanterns not bright.