400W Power Supply

  On common conditions, 400W power supply has an extensively wide application for advertising signs, advertising plaques, luminous characters, outdoor monitoring, LED light strips and industrial equipment, normally used indoor and outdoor.

  When you choose the ones used outside, a great number of interfering factors are supposed to be paid attention to. The outdoor ones should be with the functions of rainproof, easy installation, stable performance, fast heat dissipation and so on.

  Supposed that the outdoor using equipment is not waterproofed, when it comes up with rains, vast amount of water will flow inside, what is worst, water will rust the components, and consequently the power supply will not continue working. Besides, if the equipment cannot prevent dust strictly, it is also do harm to its working. Dust has the possibility to go inside, falling on the electric line. It is likely to bring about many problems that will cast negative impact such as to cause the short circuit and cause some other damages, more severely will result in property loss and casualty.

  All the defects seem to be worthy of putting emphasis on, however it is the disadvantages which you neglect that form the potential danger and gives rise to the affection to the normal work of the display, monitoring, and other equipment. There is also a huge labor cost for repair the power supply.

400 watt power supply

  And for indoor use, because most of the equipment is with fans, it will make little noise when the fan working, and where to install should be considered for Home Depot. Below, we have separated the 400W power supply into 4 types for you to read conveniently. 

Indoor 400W LED Power Supply home depot

Rainproof 400 Watt Power Supply

Outdoor 400W Power Supply

View all of Xinreal’s 400W power supply types…


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