Through a safe and reliable communication method, Fonrich arc detector can cooperate with combiner boxes, DC cabinets, telecommunication equipment rooms, communication base stations and other equipment, and can immediately send an early warning signal when a harmful arc is detected, and drive the breakout device on the circuit breaker , cut off the fault circuit, realize the arc detection of the photovoltaic DC system string, accurately locate the arc fault, and effectively prevent the fire caused by the arc.
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