Fonrich FR-DCMG-AS4A PV Arc Fault Detector (AFDD) — DIN Rail, 4 Channel

The Fonrich FR-DCMG-AS4A is a high-precision DC arc fault detector (AFDD) in a DIN-rail package. It monitors up to four PV strings in real time, recognises abnormal current signatures and triggers the system's protective action, adding a proven layer of arc safety to inverters and DC distribution.

Key features

• High-precision arc fault detection with rapid response to abnormal currents
• Four detection channels in one DIN-rail module
• Plug-and-play modular design for fast deployment
• Backed by 10 years of Fonrich arc detection experience and adopted by 60+ inverter manufacturers
• OTA updates and remote learning

Specifications

• Model: FR-DCMG-AS4A
• Detection channels: 4
• Arc detection range: −25 to +25 Adc
• Supply voltage: 5 ± 0.2 Vdc
• Max. detection loop distance: 1,600 m
• Arc type: UL 1699B (Type 1)
• Installation: DIN rail