... ,Protect function:short circuit,over load,overvoltage protect Main specification:1,Output Voltage/current:50V/40A2,Size:L200*W110*H50mm3,Steady ... voltage)6,Short circuit protect:long-term7,Output start time:≤1.5S@230VAC8,Output keep time:≥20mS@230VAC9,Insulating strength:input ... % loaded with aging test,make the product have high reliability. LED display panel power supply