1.Compact structure, fully sealed package, internally filled with inert gas, combined with magnetic arc blowing out can quickly extinguish the arc so that the product shape can be small;
2.Epoxy resin package, the contact part is sealed in a sealed chamber filled with inert gas, contact no oxidation, arc no leakage, so as to ensure that the product has good safety;
3.Carrying current 250A continuously at 85°C