Open frame Switching Power Supply Series .Input Voltage range:90-264 V .Input frequency:4763HZ .Static power loss:0.5W .Ripple Wave:output voltage 1 .Efficiency:≥80 .Relative Humidity:≤90RH, non-condensation .Working temperature:-10+50 .Insulation:AC3KV/10mA(1/P-0/P) . Function protectionThe Power have OVPOCPshort circuit and temperature protection etc