Autonomous extinguishing device for photovoltaic panel connectors - ArcBox
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ArcBox – Advanced safety for photovoltaic installations
ArcBox is an innovative device that significantly reduces the risk of fire in solar photovoltaic installations. The increase in the number of PV systems also brings the risk of errors in connecting DC cables (poor crimping, connectors from different manufacturers, wet mounting, incomplete connection), which can generate electric arcs. ArcBox was designed to contain such arcs and prevent the spread of fire to combustible materials.
We also recommend purchasing the appropriate mounting bracket: ArcBox Brackets .
How it works
- It is quickly mounted by closing the housing around the DC connector ("snap-fit" system).
- The connector is completely enclosed in a refractory material, resistant to very high temperatures.
- Cable glands suspend the connector in the air, reducing heat transfer.
- Ventilation and drainage holes keep the temperature within recommended limits and prevent moisture accumulation.
Recommended apps
- Residential, commercial and industrial systems (ground-mount, pitched or flat roof).
- Roof integration (BIPV) and areas with combustible materials (membranes, shingles, bitumen, etc.).
- Buildings with high impact on outage: hospitals, schools, care centers, factories.
Certification and testing
- KIWA Fire Test Laboratory : > 5 minutes of arc without fire propagation to surrounding materials (BIPV case).
- ZAG Slovenia : > 5 minutes of arc without propagation on flat roof.
- Loughborough University : temperatures under load remain within the limits recommended by connector manufacturers.
Key advantages
- Quick installation, without special tools.
- Patented design, compatible with multiple mounting systems.
- Essential protection against arc flash and fire risks.
Mounting options (compatibility examples)
- ARC-M01 – rail attachment with 8/10 mm T-Bolt; compatible with Schletter FixGrid, K2 Dome, Van der Valk ValkPro, Sunfixings etc.
- ARC-M02 – for rails up to 40 mm; ideal under low profile modules (sloping roof).
- ARC-M03 – for Esdec FlatFix (with cable clip accessory), three possible orientations.
- ARC-M04 – for Renusol FS Pro & FS10.
- ARC-BM25 / ARC-BM30 / ARC-BM40 – brackets for battens (22–25 mm / 30 mm / 38 mm) for roof-integrated systems.
Technical specifications
| Dimensions (L × W × H) | 150 × 50 × 48mm |
| Weight | 410g |
| Ambient temperature | −40°C … +85°C |
| Compatible cable section | 4 – 6 mm² (outer Ø 5.4 – 6.4 mm) |
| Max. DC connector length | 110mm |
| Max. DC connector diameter | 20 mm |
Autonomous extinguishing device for photovoltaic panel connectors - ArcBox
Discounted price$37.00
Usual price$44.00 (/)