Power SPD 40KA, standard type MOV SPD 1,Test standard: IEC61643-1 2,Imax: 40kA, In: 20kA, Up: 2.2kV 3,20years` experiences Surge protective Device APPLICATION Surge protective Device (surge protection device, SPD ) provides protection against surge current resulted from direct or indirect lightning strike or similar surge voltage. SPD is applicable to circuit with rated voltage up to 440V~, rated ...