CMTB1LE-63 Residual Current Operated Circuit Breaker chinhu chakakosha chese magetsi ekuchengetedza system, achipa dziviriro yakavimbika kune njodzi yekuvhundutsa kwemagetsi uye moto unokonzerwa nekukanganisa kwepasi uye overcurrents.Iyo RCBO inonyanya kushandiswa mune zvekutengesa uye zvekugara zvivakwa.
Iyo inoenderana neyakajairika IEC61009-1.