Takaitaccen Bayani:

Jerin HWS21-63 yana ɗaya daga cikin masu kare mai rufewa ta atomatik da aka haɓaka kuma aka haɓakawanda sinoasian ya samar

fasaha, samar da ayyuka da yawa (over unver voltage, overcurrent, leaking earth, real

nuni, sake haɗawa ta atomatik da sigogi masu daidaitawa) a cikin 40-60Hz, ana amfani da shi sosai a cikin mahalli na

wutar lantarki, masana'antu da kasuwanci