CMTB1LE-63 Residual Current Operated Circuit Breaker yog ib qho tseem ceeb ntawm txhua qhov kev ruaj ntseg hluav taws xob, muab kev tiv thaiv kev ruaj ntseg tiv thaiv kev phom sij ntawm hluav taws xob poob siab thiab hluav taws kub los ntawm av txhaum thiab overcurrents.RCBO feem ntau siv hauv kev lag luam thiab tsev nyob.
Nws ua raws li tus qauv ntawm IEC61009-1.