DC Arc-Fault Detector

Fonrich Arc-Fault Detector real-time detection of arc faults in the DC circuit. Once a fault arc occurs, an alarm signal is issued immediately to cut off the fault circuit, and the arc risk can be accurately positioned to effectively prevent arc-caused fire and other safety hazards.

DC Arc-Fault DetectorSystem Connection Diagram

System Connection Diagram


  • DC Arc-Fault Detector side view
  • DC Arc-Fault Detector Top view

DC Arc-Fault Detector

DC arc-fault detection:

  • Identify string strings/parallel arcs to detect potential risks in a timely manner
  • Use with PV Module Optimizer and Smart Gateway for Component-Level Fast Shutdown

Stable Performance:

  • Perforated design isolates signal interference between channels
  • Maximum support 24 channels

Installation method:

  • Guide rail type installed in DC combine box, or customized intelligent pull arc box

Increase Income

Precise Monitoring

Safety Protection

Application Video

Main Parameters

Maximum System Voltage 1000V 1500V
Maximum Number Of Channels 24
Input Current Range -20~+20A
Detect Arc Current Range -15~+15A
Accuracy 1%

Certified Product