• Conventional LED traffic lights System 1
Conventional LED traffic lights

Conventional LED traffic lights

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     Division I professional production of conventional LED traffic lights, 200, 300, 400 sections of the traffic lights, the product features are as follows: meet the People's Republic of China GB14887 standard technical indicators; High brightness: LED assembly wick bright colors; low power consumption: only incandescent quarter, only 15VA; long life: up to 50,000 hours; dimming control: automatically adjusts the brightness according to environmental changes; limiting control: automatic calibration load current; brightness balancing: balancing current offers optical components specially designed circuit plus, light special uniform; strict aging: aging products by long power, more stable performance. Protection rating greater than IP53. 1. Off the optical properties of the light intensity distribution 1.2 1.1 chromaticity coordinates meet the requirements of GB14887 GB14887 compliance with the relevant requirements, including the function of defective color vision to be achieved observer provisions 2. Electrical performance 2.1 operating voltage AC220 ± 15% V 50 ± 2Hz 2.2 rated power single lamp 10M? Reach 50000h 3. Physics 2.4 Dielectric strength 1440VAC 2.5 ignition withstand life under normal conditions of use? Mechanical properties 3.1 of wind pressure in line with GB14887 the relevant requirements of 3.2 anti-vibration requirements in line with GB14887 requirements 3.3 protection class IP53 4. adapt to the environment is greater than 4.1 lights working environment temperature is -40ºСˉ50ºС, resistant to high temperature -40ºС and 4.2 + 80ºС test temperature when 25ºС, air relative humidity less than 95 %

Product Name 203 full screen lights

 Model WDM-JD203

 Product voltage AC 85-265V

 Product Power 22W

 Product size 250 * 850 * 140mm

 Translucent surface diameter 200mm

 Housing material PC

 Horizontal or vertical mounting equipment installed

 Protection class IP53

 Standard GB14887-2006

 2-year warranty

Product wiring brief description:

When you are connected to 220V voltage, the black wire to the zero line, the red line connected FireWire,

When you connect 12V voltage, the black wire to the negative, then positive red,

After power product red yellow and green according to set a good time automatic cycle conversion.


Technical Parameters

Red plateful: 90 LED, single brightness: 4360-5250, wavelength: 620-625nm, and down about perspective: 30 °, Power: ≤8W

Yellow plateful: 90 LED, single brightness: 4620-5545, wavelength: 592-594nm, and down about perspective: 30 °, Power: ≤8W

Green plateful: 90 LED, single brightness: 8667-10400, wavelength: 503-506nm, around and down Angle: 30 °, Power: ≤8W

Ambient temperature: -40 ℃ ~ + 80 ℃ Operating voltage: AC185V-265V 60HZ / 50HZ

Light Box Case Material: PC visual distance ≥300m


Q:hi guyscan you explain in simple words what is earthing process and how it helps to secure human from detected current.thanks
Earthing system helping for Human safety to avoid electrocution due to earth leakage.Earth is acting like a Huge conductor because of it minerals Moisture contend (water).If any electrical equipment Insulation failure leakage will be there ,if the same equipment is not Grounded ,there is a possibilitiesof getting electric shock to Human.If the same equipment is Grounded the leakage current will flow to Earth protect from electric shocks Trip the circuit. Pl. check this link for brief idea.
Q:I'm 14 and I go to a technical highschool, I'm in hvac because I missed electrical by 1 person, if I get the chance should I switch to electrical? I already have my tools and uniform.
What interests you the most? There is employment in both fields, and both pay good. You'll have to be a journeyman, no matter what before you get a master's license. I would frankly stick with HVAC because you will learn electrical stuff as you go along. I worked as a technician on food service equipment and vending machines for 20 years. There are a LOT of HVAC technicians and refrigeration technicians who also hold electrical licenses, but very few electricians who have licenses in any other area than electrical.
Q:I want to open a electrical contracting business down in Brisbane or Sydney after i have done my apprenticeship and had a thew years of experience I'm 16(Australia).Possibly even higher a thew lecky and also sell stuff like inverters etc. electrical equipment.The business would service the commercial side more then the domestic side.would this be a viable business or not.and would it be possible to make any money out of this to look after my family and look after my own family. Perhaps a couple hundred thousand a yearor would it be better to just go to the mines By the way i do study business organization and management plus economics so i have a general idea of what would be required like a very detailed business plan etc.
Your okorder
Q:I opened up my mouse, and im currently using it without the top, because the left click on the mouse is only working about 1 in every 50 or so clicks with the shell on it.Is there a way I can make the click work again with the shell on or do I simply have to buy a new mouse?
Well, I don't really have much experience in fixing mice on computers, but with the cost of a mouse today (less than $10 for a cheap one), I would recommend just buying a new one. Its a product that would be more expensive to fix than to simply buy a new one. Sorry.
Q:A. Lockout/Tagout involves placing a physical lock and a tag on electrical equipmentB. Lockout/Tagout is necessary prior to working on electrical equipmentC. Lockout/Tagout is intended to ensure that electricity is not returned to the equipment by anyone until it is safe.D. Lockout/Tagout is to be used only in extreme cases of potential electrical hazard.
D is not true - a lock out tage is used whenever applying electricity to the circuit would result in dangerous conditions. When repair work is being done on the circuit equipment for example. Lock out tage are used for more then just electrical too.
Q:Hi i'm 13 years old and i'm always getting tired. for example every day i come home from school i go straight to sleep and i don't know why . This dident always happen till i got to 6th grade. And when i'm at my friends i get so tired and want to go to sleep but i don't know why either ? Please help me and tell me hy im getting so tired and sleepy now and days ?
You may be starting puberty, and that would make this normal.
Q:I bought a used printer but it did not have the power cable with it, but I have an old power cable from another printer. The only visble difference in the cables is that the colorful end that goes into the printer has a plastic notch on it that is in a different spot. My old one has the notch in the middle where is I need it off to the left. Can't I just shave the notch off and have it fit?
It's hard to say. Electrical equipment and parts are made for a specific reasons. Now, if you modify the power cable, it's possible that it may work. But, then again, there is also the possibility that it could do more damage than good. It will totally be your call.
Q:I have to declare a major soon, I am in the general engineering program at my school. And I am stuck between chemical and electrical. I love math, physics and chemistry, and have come trhough computer programming unharmed. I intend on going to graduate school when I am finished my bachelors, and in my career I want to be involved in research and development. basically, I would like to work in a lab/ at a desk and design and test new equipment, products etc. Also, I am NOT a hands-on, put on an over-all and crawl around in a factory type of person.What major do you think could best help me further my ambitions? Also, if I pick one, say chemical engineering, would it be easiy to get into grad school in another engineering discipline, such as electrical engineering?4 seconds ago - 3 days left to answer. Report It
Chemical engineering tends to be VERY transferable to other disciplines, at least in my experience and where I've seen friends of mine end up. I'm not sure how well it connects to electrical as I've never thought about going that route myself. . . but there actually is a fair amount of math in ChE if actually are looking for it. Neither EE or ChE are usually regarded as very easy among engineering disciplines, so you're in for a challenge either way. I got out of ChE for grad school because I didn't like the whole factory/refinery idea so much. . . and environmental engineering was more than happy to take me.
Q:I received a piece of electrical equipment from China which has a power lead with it. It originally had a 2-pin plug which I have stripped to rewire into a 3-pin UK plug but the wires are blue, black and brown! I am confused now as I thought either blue/black could be neutral or black/brown could be live. Didn't expect blue, black and brown in same wire.
You need to use a continuity tester to see what wire goes where, specifically the black wire, or just leave it disconnected.
Q:for example, a 3ds?
There is a video on youtube of how to take apart a 3ds. This might make you void your warranty.

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