Solar Street Light 40W

Ref Price:
$400.00 / pcs
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
-
Supply Capability:
20000 PCS/month

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Q:How to detect the leakage of LED street lamp poles?
You can use a multimeter, remember to clear it first. Cut to the voltage of the gear, and then one end of the ground, one end of the lamp pole (to measure the exposed part of the metal), to see whether the pointer or digital data to the amount to know; there is a volume to the data, there is leakage.
Q:Solar street lamp, 60 watt LED lamp holder, with large battery
General rules for solar street only a nominal power of 80% is the top configuration, the majority of street are mostly on the market only a nominal 30-40%, do you want to have that class? Intelligent solar LED street lamp in Zhongshan and electrical production, according to the needs of lighting, energy saving, reasonable price.
Q:What are the necessary tests for the factory inspection of the LED street lamp?
High power LED light source (1W-200W), and heat radiation aluminum housing, as well as LED constant current source (power supply). At present, the market LED street lamps are divided into two major categories
Q:How many watts is the LED street light 30W-900M?
The power is 30W, and the 900M is the current.
Q:What is the price of the LED street lamp from 30W to 60W? What are the advantages of the LED street lamp?
Light emitting diodes (LightEmittingDiode, abbreviated as LED) is a semiconductor pn junction formed with weak electricity can light high efficiency solid-state light source based on the forward bias voltage and the injected current, injected into the P region of the hole and injected into the N region electron in diffusion into the active region after radiation and emit a photon, electric can be directly converted into light energy.
Q:What is the starting current of the LED street lamp for 220V and 30W?
But the influence is very small, so it can be considered as the starting current is the rated current, and the rated current = power / voltage = 30/220 = 0.136A
Q:What happens if the LED street is ungrounded? Is it a big problem?
If a lamp holder is expensive, it should be sold for ten thousand yuan. If it is not damaged by grounding, it will be more harm than good.
Q:The same brand of chips, how to judge the quality of LED lights?
Should pay attention to the cooling system for street lamp, street lamp cooling system is now divided into three types, one (die-casting aluminum (aluminum), two (three), Qi tablets) but also pay attention to the radiator is enough, there are many manufacturers have 90W heat lamps, used to install 120W to save the cost, so that his cooling system will follow no, my colleagues decay is relatively large
Q:What are the main differences between a LED street lamp and a solar street lamp? What are the advantages and disadvantages of each?
It is two kinds of concept that do not conflict, it is the explanation of street lamp from two angles, can make LED solar energy street lamp completely.
Q:What is the difference between the brightness and illuminance of LED street lights and the brightness and illumination of ordinary high-pressure sodium lamps?
There are differences, LED lights brightness and illumination will be greater, Zhongshan Ming inter lighting is specializing in the production of lightsAnd other outdoor lamps.

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