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The Fonrich arc fault detector arc monitoring sensor product is mainly used for real-time detection of arc faults in the DC circuit. Once a fault arc occurs, it will immediately send an alarm signal to notify the inverter or other actuators to cut off the fault circuit to effectively prevent fire hazards. Each module of it can support 4 channels at the same time. It can realize Integrated current measurement and Support module cascading, the number of cascading can support up to 8 and a total of 32 channels; it can also Compliance with UL1699B (Type 1).

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