Arc Detector | Safeguarding Rooftop PV Safety

The Fonrich Arc Detector, utilizing secure and reliable communication methods, can be integrated with equipment such as combiner boxes, DC cabinets, telecom rooms, and communication base stations. Upon detecting a harmful arc, it immediately sends an early warning signal, triggering a fire extinguishing device installed on the circuit breaker, and cutting off the fault circuit. This enables arc detection in the PV DC system string, accurate localization of arc faults, and effective prevention of fires caused by arcs.

Product Features

The specific features of the Fonrich Arc Detector are as follows:

➤ Modular Design: Each arc sensor has 4 channels; each combiner box monitor can integrate up to 6 arc sensors.

➤ Effective Identification: Capable of identifying arcs in any channel and busbar arcs.

➤ Maximum Channel Current: Can measure currents up to ±20A per channel.

➤ High Adaptability: The alarm signal is an open-drain output.

➤ Remote Alarm Indication: Arc alarm status can be remotely read via Modbus.

➤ Through-Hole Isolation Measurement: Strong isolation capability, effectively avoiding crosstalk between channels.

Actual Installation Effect Diagram in Combiner Box: