Reverse connection protectionSupport positive and negative reverse connection protection, reverse connection can also be normal, to prevent incorrect operation from damaging the equipment. | Short circuit protectionWhen the device is short-circuited, the power can be quickly cut off to avoid other accidents. | Surge protectionIt can pass the 4KV common mode and 1KV differential mode surge test, greatly improving the power supply's lightning resistance. | DIN railMetal guide rail, installation is firmer. |