Automatic the contact switch street light lamp holders, belongs to an electrical lighting improvements, it also has a voice-activated, light control, continuous trigger delay function. It has a power supply circuit, a common amplifier, and an adjustable bias pulse amplifier, and a photoelectric conversion circuit, the two NOR gates, a retriggerable pulse broadening circuit, a unidirectional thyristor switch circuit and an energized delay The pulse generating circuit. The supplies made directly lampholder type can be divided into a series of wiring type andlamp conversion, safe and convenient, energy saving, and low cost, a variety of advantages, and are widely used in a variety of building stairs, corridors, lights automatically lighting control.
James supply the lamp holders, bulb holders, E27 lamp holder and GU10 lamp holder 30 years!
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