The red and green two-color countdown pedestrian signal light is a series of road traffic signal products designed and produced by Shanghai Aoxing Lighting Appliance Manufacturing Co., Ltd. based on the digestion and absorption of road traffic signal standards at home and abroad. Excellent, reasonable electrical indicators, firm structure, beautiful appearance and strong environmental adaptability. At the same time, the products have many varieties, complete specifications, strong supporting ability, adapt to various uses of different users, and have excellent cost performance.
Main performance parameters:
1. Power supply voltage: rated voltage is 220VAC; voltage variation range is 176V ± 264V;
2. Power frequency: rated frequency is 50Hz; frequency varies from 47Hz to 63Hz;
3. Power factor: greater than 0.90;
4. Ambient temperature: -40?C - +70?C;
5. Ambient humidity: 10% - 95%;
6. Shell protection rating: IP54;
7. Display surface dimensions: 300 × 300mm;
8. Apparent power: red unit <10W; green unit <10W;
9. Light-emitting diode (LED) wavelength: red 625 ± 5 nm; green 505 ± 5 nm;
10. Optical properties: Center brightness: greater than 4000 cd/m2.