Lightning Protection Box DC Combiner Box for Solar System
The WDB4S1-1000 photovoltaic series surge protection box provides professional-grade lightning protection for photovoltaic systems, featuring a 4-module IP65-rated design and supporting DC 1000V/40kA surge protection capability. The product has obtained international certifications such as IEC 61643-31. Its compact enclosure structure is compatible with various photovoltaic arrays, effectively defending against direct lightning strikes and induced lightning surges. It is an ideal protection solution for commercial and industrial rooftop power plants and ground-mounted photovoltaic projects.
| Description | No.of input | No.of output | MPPT | Max.voltage | Max.current |
| One in one out 30A 1000V DC Pre-wired PV string box | 1 | 1 | 1 | 1000V DC | 30A |
| Surge arrester | BY7-40/3 -1000 | Enclosure | WDB4 | |
| Classification | Type 2 | No.of module | 4 | |
| Maximum operation voltage (Ucpv) | 1000V DC | Material | PC/ABS | |
| Maximum discharge current(80/20µs) (Imax) | 40kA | Protection degree(IEC60529) | IP65 | |
| Norminal discharge current(80/20µs) (In) | 20kA | Impact resistance(IEC62262) | IK08 | |
| Short-circuit current rating (Iscpv) | 500A | Color | RAL7035 | |
| Voltage protection level (Up) | 4.5kV | Dimension(mm) | 143×213×110 | |
| Standard compliance | UI1449, IEC50539 | Standard compliance | IEC 62208 | |
| Certificate | UL, TUV | Certificate | CE |
| Connection terminal | IEC rating |
| Rated Voltage | 1000V |
| Rated Current | 40A |
| Connection (Solid wire) wire range (Stranded wire) | 0.5-10mm² |
| 0.5-6mm² | |
| Rated impulse withstand voltage | 8kV |
| Standard compliance | IEC 60947-7-1 |
| Certificate | CE |
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