JD Countdown Series Motor Vehicle Signal Lamps
Countdown motor vehicle signal lamp, a kind of road traffic
signals, is designed and made by Shanghai Austar Lighting
Electrical Industry Co., Ltd. in the digestion and absorption of
international standards for road traffic signals, by virtue of new
technologies, new materials and new process, featured by excellent
optical properties, reasonable electrical indicators, solid
structure, beautiful shape and good environmental adaptability, and
as well as product varieties, specifications, strong combination
capacity, suitability for various purposes, and excellent cost
performance.
Main Technical Indicators
I. Model: JD300-3-nL (n = 1; 2; 3 ... ...)
1. Power Supply Voltage: Rated voltage: 220VAC; voltage range: ± 15%;
2. Unit Apparent Power: Red: ≤ 15VA; yellow: ≤ 15VA; green: ≤ 15VA;
3. Power Factor: > 0.85;
4. Ambient Temperature: -40 C - +70 C;
5. Humidity: 10% - 95%;
6. Housing Protection Grade: IP54;
7.Dimensions of Display Surface: timing part 300*300mm; pattern-free part 300mm;
8. Light-emitting Diode (LED) Wavelength: Red 625 ± 5 nm; yellow: 590 ± 5 nm;
green 505 ± 5 nm;
9. Optical Properties: Brightness of countdown unit: > 4000cd/m2
Lamp intensity of red and green cell center: > 400cd
II. Model: JD400-3-nL (n = 1; 2; 3 ... ...)
1. Power Supply: rated voltage is 220VAC; voltage range: ± 15%;
2. Unit Apparent Power: Red: ≤ 20VA; yellow: ≤ 20VA; Green: ≤ 15VA;
3. Power Factor: > 0.85;
4. Ambient Temperature: -40 C - +70 C;
5. Humidity: 10% - 95%;
6. Housing Protection Grade: IP54;
7. Dimensions of Display Surface: timing unit 400*400mm; pattern-free unit 400mm;
8. Light-emitting Diode (LED) Wavelength: red 625 ± 5 nm; yellow: 590 ± 5 nm;
green 505 ± 5 nm;
9. Optical Properties: Brightness of countdown unit: > 4000cd/m2
Intensity of red and green cell center: > 400cd
