AFDD incorporating MCB, RCD and arc fault detection module, provides protection against short circuit, overload, leakage current and arc fault. Zero-sequence transformer of RCD detects leakage current, and arc fault module detects arc fault, which enable the product effectively disconnect the protected circuit in case of either leakage current fault or arc fault.

Applicable to AC circuit with rated current up to 63A, provides protection against arc fault, overload, short circuit and leakage current fault happened to branch circuits in lighting distribution and power distribution system.

The arc fault detection module of AFDD can effectively detect and identify arc faults in its protected circuit with disabled insulation layer due to aging, damaging or high humidity. The product trips and disconnects the circuit upon detection of arc faults.

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