RCD breaker is fine yes? ps: ... Year ago ( 2017.11.11 ) when my mother running oven, a bulb inside oven get burned ( short circuit ),then RCD trip of course and power in home goes off.

Is there a circuit breaker in your home that keeps tripping? It may need to be replaced. Fortunately, testing and replacing a breaker is something you can do.

When a circuit is overloaded, it overheats and trips the breaker before it gets too hot." In other words, if you want an electrical circuit to supply more power than its limit, the breaker will trip.

Abstract: An improved RCD snubber for solid-state circuit breaker (SSCB) is proposed in this paper in a low-voltage DC microgrid to protect SSCB against overvoltage caused by its tripping at the ...

If they suspect that their residual current circuit breaker is faulty, they should engage a licensed electrical worker to conduct further checks, and have it replaced, said the authorities.