1600A shell frame;
High performance, insulation voltage Ui=1000V, power frequency withstand voltage up to 2500V / min, impulse withstand voltage Uimp=12kV;
Adjustable parameters, effective three section protection function (grounding protection);
High breaking, short circuit breaking capacity Icu=100kA;
Low temperature (up to - 45 ℃) resistance, pass long-term 72h salt spray test;
Complete specifications,250 shell frame grades have been perfected.