... , 19 inch rack, power machine cabinet installation5.Over-voltage, low-voltage, short-circuit, over-load protection6.AC main supply, DC main supply, pure ... .8Wave-formSine waveCrest factor3:1Total voltage harmonics distortionlinear load <3%,non-linear load <5%Overload protection>125%,1min;>150%,200msOutput voltage transient characteristic ...