contact sheetsmaterial: AgC, AgW, AgWC, AgNi,AgCdO,AgSnO2,AgZnO, AgMotype: round type/ rectangular typehead dimension: round tip:2mm-25mmrectangular tip: W=3mm-20mm,L=3mm-25mmtip thickness:0.5mm-3.0mmapplication: highmediumlow voltage breaker, automa