discount 70% in 2018-07-15 to 2018-07-17
price: USD$ 40.60
freight :USD$7.00,(Postal parcel)
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About powerThis power supply is a new component,Not disassemble parts or refurbished machinesAssembly, you can rest assured to buy.
About priceManufacturers direct shipment, signed cooperation express, cheaper prices!Save for you！
About warrantyThis type of power supply warranty for three years, starting with the date of receipt. As long as you think it can be used, we will help you repair, and do not receive any maintenance costs!
About DeliveryDay before the 5 day of payment issued, 5 days after second days of payment issued. Our cooperation Express has tact, Shen Tong, Tong Tong, Huitong, etc., we will be based onThe actual situation choose express (express)Do not accept order message designated Express）. If you need to specify express, please contact with customer service at the time of purchase, so as not to delay shipment.
Model: aluminum shell switching power supply
Specifications: 12V40A500W volume 215*115*50MM
Areas of application: monitoring, communications, LED display, industrial control, radio and television, computer networks, medical devices, intelligent monitoring and other fields
1、Power sourceIt is suitable for lamp strip, lamp belt, LED module, LED billboard, LED display, luminous character, security, monitoring camera and so on. It has a wide range of uses!
2、UseMatters needing attention：
1）Before installing the finished electric test run, pleasemustCheck and proofread the connections on the terminals again,Ensure input and output, AC and DC, single phase and multiphase, positive and negativeThe voltage and current value of right and keeps running. For 110V/220VSwitchThe power supply must also ensure that the switch is on220V position(factory default 220V), so as not to damage the power supply after power supply!
2）For high-power power supply, there are usually a number of "+" output terminals and "-" (or COM) output terminals, which are the same as the terminals under the same polarity. The two terminals are connected to one of "+" and "-" (or COM), and the two terminals in the same polarity cannot be connected.
3）In use, we should consider the power supply should not be continuous for a long time in full load working state. For continuous long time working conditions, it is recommended to operate the switching power supply according to the working efficiency of 80%. For use, ensure that the power supply can work for a long time, otherwise it will likely result in early failure of human.
4）All wiring should be close and firm, should not be loose, so as not to heat, damage the switching power supply.
3、Purchase bills filled
If you want to buy a receipt or invoice (invoice need a tax increase point), please put forward at the time of purchase.