I-Residual current esebenzayo i-circuit breaker ene-current rated ye-20 kunye nenombolo yesibonda se-1P sisixhobo sombane esinokusebenza okuphezulu kunye nokuthembeka. Ngokuqhelekileyo isetyenziselwa ukukhusela iisekethe ezibalulekileyo kwiindawo ezifana nezindlu, izakhiwo zorhwebo, kunye nezixhobo zoluntu, ezifana nokukhanyisa, umoya womoya, amandla, njl.
1. Ukhuseleko olomeleleyo
2. Ukuthembeka okuphezulu
3. Ezoqoqosho kunye nokusebenza
4. Ukusebenza okuninzi