... vacuum circuit breakerBased on Germany’s advanced medium voltage circuit breaker manufacturing technologies and through independent innovation,MINGHAN have developed the ... .5,40,5020,25,31.57Rated peak withstand current50,63,80,100,12550,65,8250,63,808Rated short-circuit making current ... (peak)50,63,80,100,12550,65,8250,63,809Rated out-phase short-circuit ...