2 In 1 Out DC Combiner Box
The WDB9FS2-1000 Solar String Fuse Box is made of PC/ABS material and measures 233 x 213 x 112 mm. The fuse box has an IP65 protection rating and is equipped with a pre-wired 25A 1000V DC dual-input single-output fuse, providing overcurrent and overvoltage protection. The fuse circuit breaker is rated at 10A 1000V DC and complies with IEC standards. The surge protector has a maximum discharge current of 40kA, enhancing system safety. It complies with IEC 62208 and CE standards and is suitable for solar photovoltaic systems, ensuring efficient and stable operation.
| Description | No.of input | No.of output | MPPT | Max. voltage | Max. current |
Two in one out 25A 1000V DC Pre-wired PV string box | 2 | 1 | 1 | 1000V DC | 25A |
| Fuse disconnector | KCF2-25/PVCF10 | Connection terminal | IEC rating | UL rating | |
| Rated voltage of fuse (Ue) | 1000V DC | Rated voltage | 1000V | 600V | |
| Rated current of fuse (le) | 10A | Rated current | 41A | 40A | |
| Fuse size | 10×38mm | Connection (Solid wire) wire range (Stranded wire) | 0.2-10mm² | 24-8AWG | |
| Rated breaking capacity | 25kA | 0.2-6mm² | 24-10AWG | ||
| Class of operation | gPV | Rated impulse withstand voltage | 8kV | – | |
| Standard compliance | IEC 60947, IEC 60269 | Standard compliance | IEC 60947-7-1 | UL1059 | |
| Certificate | TUV | Certificate | CE | UL |
| Surge arrester | BY7-40/3 -1000 | Enclosure | WDB9 | |
| Classification | Type 2 | No.of module | 9 | |
| 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) | 233×213×112 | |
| Standard compliance | UI1449, IEC50539 | Standard compliance | IEC 62208 | |
| Certificate | UL, TUV | Certificate | CE |
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