... ,over load,overvoltage protect Main specification:1,Output Voltage/current:50V/40A2,Size:L200*W110*H50mm3,Steady ... Noise:≤50mV5,Overvoltage protect:115%~135%(Rated output voltage)6,Short circuit protect:long-term7,Output start ... ),self-restore13,Output adjust range:±10%(rated output voltage)14,Inrush starting current:40A@230VAC(Cold Start ... product have high reliability. LED display panel power supply