LYL9 type A+EV leakage current circuit breaker is suitable for protection of Ac facilities with charging mode 3, Dc leakage current of morethan 6mA .when there is a residual fault current of more than 6mAin the system,it can automatically cuts off the fault power in very short time.
It is used to detect the DC residual current greater than 6mA in the Ac system. According to the lEC61851 standard, it should be used with the RCD with type A residual current protection characteristics,which provides protection again stpossible ground faults.
