In any (2 OR 4 pole)rccb out put side neutral wire contact with earth, then rccb become trip(fault) neccesory. Remove neutral wire from earth contact. It is helthy (safe)condition.
Re: Residual Current Circuit Breaker (RCCB)
In any (2 OR 4 pole)rccb out put side neutral wire contact with earth, then rccb become trip(fault) neccesory. Remove neutral wire from earth contact. It is helthy (safe)condition.