2015 New Good Quality Led Ceiling Light Modern
2015 New good quality led ceiling light modern
2D fluoresent ceiling lights
Specification & Description
| Item | Specification |
| Model | SU-9909-16/21W, SU-9907-28/38W |
| Power source | Fluorescent |
| Tube type | 2D |
| Input voltage | 110/230 V |
| Output power | 16/21W, 28/38 W |
| Life span | 10000 hrs |
| Quality warranty | 24 months |
| Application | shopping malls, office & government buildings, schools, home, etc. |
| Size |
270mm (diameter) * 60mm (height) 300mm (diameter) * 66mm (height) |
| Delivery | 7 days for samples, 10~25 days for mass production |
| Packing | 20 pieces in 1 carton, 10 pieces in 1 carton |
| Dimension & weight |
Ctn: 68×28×54.5cm, N.W./G.W. (Kg/Ctn): 8/10 Ctn: 40×33×64cm, N.W./G.W. (Kg/Ctn): 5/7 |
Lighting the city, saving energy, making our life more greener

Packing: 20 pieces in 1 carton, 10 pieces in 1 carton
Packing size: 68×28×54.5cm/ctn, 40×33×64cm/ctn
Packing weight: N.W./G.W. (Kg/Ctn): 8/10, 5/7
Delivery: 7 days for samples, 10~25 days for mass production
Shipment: by sea or by air
Port of loading: Ningbo or Shanghai sea or air port.
1. 24 months quality warranty.
2. OEM, ODM are available.
3. We're able to offer samples for free, just charge a small amount of freight cost.
4. Your inquiry will be responded within 24 hours.
5. Work overtime for large orders.
Ningbo Suntec Lighting Co.,Ltd is located in Ningbo, the most important lighting production base in China. We're specialized in supplying LED lights, outdoor lights, energy saving lamps, indoor lighting and lighting accessories. Our products are widely applied in public gardens, office buildings, government constructions, home and public structures, etc.
We'll always concentrate on offering our customers with hight quality and innovative lighting products, as well as considerate and reliable service.
Bright Citiy, Green Life!
Ningbo Suntec Lighting Co.,Ltd.
No.588, Danyang Road, Dancheng, Xiangshang County, Ningbo, China.
Tel: +86 574 65798628
Fax: +86 574 65798616
Email: anna(at)
https://img13.fr-trading.com
1. Why do fluorescent lamps need a ballast?
|
Fluorescent light bulbs need a ballast because they use a gas to create light. When the gas is excited by electricity, it emits invisible ultraviolet light that hits the white coating inside the fluorescent bulb. The coating changes the ultraviolet light into light you can see. (Fluorescent bulbs don't use heat to create light, they are far more energy-efficient than regular incandescent bulbs.) The combination of gas, electricity, and coating in a fluorescent bulb is so effective at producing light that, without something to regulate the electricity flowing into the bulb, the light will continue to gain intensity until the bulb stops working. That's where a ballast comes in. It supplies the initial electricity that creates the light, and then it regulates the amount of electricity flowing through the bulb so that the right amount of light is emitted. |
2. How do I minimize UV radiation from fluorescent lamps?
Lamp manufacturers generally strive to minimize ultraviolet light (UV) radiation in all lamps used in general lighting applications. |
3. What shall I do if I break a fluorescent bulb?
Puncture resistant gloves are recommended for cleaning up broken glass. After picking up all large fragments, wipe area thoroughly to clean any remaining glass or phosphor residue. If necessary, ventilate area to remove any remaining fine phosphor dust. After handling broken lamps, wash hands and face thoroughly. Incidental exposure to lamp contents is not harmful. The basic phosphor used in the manufacture of fluorescent lamps is a relatively inert phosphate. The small amount of mercury contained in each lamp will not cause any significant amount of airborne mercury, since most of the elemental mercury remains adhered to the phosphor surface. No adverse health effects are expected from exposure to a broken fluorescent tube. |
4. Is it more energy-efficient to turn a lamp off or leave it on?
The question of "turn them off or let them burn" is a common one in lighting. Since there is no surge involved in the starting of any residential bulb, the answer is "if you are not using them, turn them off." The cost of operating a light bulb is the wattage consumed while lighted thus the general answer is turn them off.
High intensity discharge lamps (rarely found in indoor household applications) and fluorescent lamps have different operating needs. If you have a fluorescent lamp, the general rule is turn the lamp off unless you are going to need it again within fifteen minutes. Frequent cycling, turning on and off for short periods of time such as in a closet application, can reduce the life of a fluorescent lamp.
5. Why is noise coming from my fluorescent lamp?
Audible noise from a fluorescent light is likely due to a loose or faulty ballast. The ballast is an electrical device inside the lighting fixture that supplies the proper starting and operating power to the lamp. |
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