2 In 1 Out String Isolation Box
The WDB9DF2-1000 PV combiner box (string isolation box), specifically designed for photovoltaic systems and equipped with fuse protection functionality. It features 2 input terminals and 1 output terminal, supporting a maximum voltage of 1000V DC and a current of 25A, ensuring efficient and stable power transmission.
The housing is made of high-quality PC/ABS material, offering excellent weather resistance and mechanical strength, with an IP65 protection rating, making it suitable for outdoor use. Internal components include circuit breakers and fuse circuit breakers, all manufactured using high-standard materials to ensure long-term 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 |
| Switch disconnector | ODD-25D4 | Connection terminal | IEC rating | UL rating | |
| No.of pole | 4 | Rated voltage | 1000V | 600V | |
| Rated insulation voltage (Ui) | 1000V DC | Rated current | 41A | 40A | |
| Rated current (Ie) | 25A | Connection (Solid wire) wire range (Stranded wire) | 0.2-10mm² | 24-8AWG | |
| Rated impulse withstand voltage (Uimp) | 8kV | 0.2-6mm² | 24-10AWG | ||
| Category | DC21B | Rated impulse withstand voltage | 8kV | – | |
| Standard compliance | IEC 60947-3 | Standard compliance | IEC 60947-7-1 | UL1059 | |
| Certificate | TUV, SAA | Certificate | CE | UL |
| Fuse disconnector | KCF2-25/PVCF10 | Enclosure | WDB9 | |
| Rated voltage of fuse (Ue) | 1000V DC | No.of module | 9 | |
| Rated current of fuse (Ie) | 10A | Material | PC/ABS | |
| Fuse size | 10×38mm | Protection degree(IEC60529) | IP65 | |
| Rated breaking capacity | 25kA | Impact resistance(IEC62262) | IK08 | |
| Class of operation | gPV | Color | RAL7035 | |
| Standard compliance | IEC 60947, IEC60269 | Dimension(mm) | 233×213×112 | |
| Certificate | TUV | Standard compliance | IEC 62208 | |
| Certificate | CE | |||
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