□TBM1Eseries electrenie plastie ca8e circuit breakers(hereinafter relerred to as cieuit breakér8)are sutale forAC 50Hz for60Hz),with rated

lsolation voltage of 10DV rated working wohage ot 400V and helow,and rated working curent ad 1250A for infrequent switching and infreqent startingof motors.The circui breaker hasthe functions of overload lbng delay inverse time limia,short delay inverse time imil,shot delay cefinite time limit.shart instantanaus and under-dlaga protection,rasidual currant protection foptional).and opan-phase potectlion (optonal).which cn protect thecircuit and powersupply from damage.The circuit bresker has cmplete and accurate protection characteristics,which can improve the reliablity ofpowarsuply an avoid unnacessary powar talure.Among tham,the"z"and'B"typa controls have communication intarfacas and can pertorm "tour