Na'urar Kariyar Kariya ta AC Surge SPD Nau'in 1 Class B Iimp (10/350) 50 kA don amfani a cikin tsarin samar da wutar lantarki guda-uku
Fayil mai kariya daga ruwa ya hada da mafita don kare tsarin har zuwa 1,000 V ac daga karuwar hazowar iska da ayyukan sauyawa.
LSP shine layin masu kariyar wutar lantarki AC da aka tsara don rufe duk abubuwan daidaitawa a cikin shigarwar ƙananan lantarki. Akwai su a cikin sifofi da yawa, waɗanda suka bambanta a cikin: