Qhov sib txawv ntawm MCB, RCCB, thiab RCBO

1.MCB (tej yam me me Circuit Court breaker): Cov haujlwm tseem ceeb tshaj plaws yog ntau dhau thiab cov kev tiv thaiv luv-circuit Court, ua ib yam li "kev hloov kho lub fuse tsev neeg, uas tsuas yog txiav tawm tsis muaj kev txhawj xeeb rau hluav taws xob.

2.RCCB (Residual Regruit Court Breaker): Tus qauv tseem ceeb yog kev tiv thaiv tam sim no. Nws mus ncig thaum kuaj pom tib neeg lub zog hluav taws xob (tam sim no xau rau hauv av) tab sis tsis tiv thaiv ntau dhau lossis luv dua.

3.RCBO (Residual Tam Sim No Tus Ua Haujlwm Tam Sim No Muaj Ntau Tshaj Kev Tiv Thaiv): Nws ua ke cov haujlwm ntawm MCB (tej yam me me Circuit Court breaker) thiab rccb (Residual Circuit Court), muab cov kev tiv thaiv luv luv, ua rau nws muaj feem ntau hauv kev ua haujlwm.

Cias muab, tus MCB tiv thaiv "hluav taws xob tsis ua tiav," thaum RCCB tub tiv thaiv "hluav taws xob." Ib daim RCBO muaj kev tiv thaiv ob qho tib si.