... protection Efficiency: 78% Main Technical data:1,Input voltage range:110V/220V,50Hz2,Start impact current:when cooling 40A@230V3, ... protection:110%~150% of standard voltage value9,Insulation Strength:input-output:AC 3000V,1mininput-GND:AC 1500V,1minOutput-GND: ... DC500V,1min10,Insulation resistance:Input-output:≥100MΩ,DC500VInput-GND:≥100MΩ,DC500VOutput-GND:≥100MΩ,DC500V4,Work ...