S763LResidual Curent Device jijo ni fun awọn prtection, lodi si itanna awọn ircuit ti 50Hz tabi 60Hz, won won foliteji nikan alakoso 240V,3 alakoso 415V, won won curent soke to60A. Nigba ti ẹnikan ba gba ohun ina-mọnamọna tabi awọn iṣẹku lọwọlọwọ ti awọn Circuit koja awọn ti o wa titi iye, awọn RCD le ge si pa awọn agbara laarin awọn akoko ti 0.1s laifọwọyi bo awọn ti ara ẹni ailewu ati idilọwọ awọn ẹrọ lati awọn ẹbi yorisi nipasẹ awọn lọwọlọwọ lọwọlọwọ.With yi iṣẹ, awọn RCD le dabobo awọn crcit lodi si apọju ati kukuru Circuit tabi o le ṣee lo fun ufrequnted ti codover switchover. O ni ibamu si IEC898-87 & IEC 755.