SSmouldedcasecircuitbreakerissuitableforcircuitAC50Hz/60Hz,ratedvoltageuptoAC660V,ratedoperatingcurrentto630A.itfeaturesnormalstructure,reliableperformance,completeaccessoriesandhighbreakingcapacity,usedforpowerdistributionandprotectingthecircuitandelectricalequipmentagainstoverloadandshortcircuit,itconplieswithstandardofIEC947-2