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Why DC Combiner Box Is Essential for PV Systems
If you're a solar system buyer, installer, or project manager, let's get straight to the point—you're here because you need a definitive answer: Does your solar system really need a DC combiner box? A
• IP67 Waterproof
• Simple on-site processing
• PPO high strength material
• High quality waterproof ring
• High current carrying capacity
• Insulation material to prevent electric shoock
• Mating safety provided bykeyed housings
| Rated current | 30A (2.5-6mm²) | 30A (2.5-6mm²) | 35A | 35A |
| Rated voltage | 1000V DC | |||
| Test voltage | 6000V(50Hz,1min) | |||
| Overoltage categor/Pollution degree | CATⅢ/2 | |||
| Contact resistance of plug connectors | 1mΩ | 1mΩ | ≤5mΩ | ≤5mΩ |
| Contact material | Copper,Ag plated | |||
| Insulation material | PPO | PPO | PPO/PC | PPO/PC |
| Degree of protection | IP2*/IP67 | |||
| Plame class | UL94-VO | |||
| Safety class | Ⅱ | |||
| Suitable cable | OD4.5-8.5(2.5-6.0mm²） | 2.5-6.0mm² | 2.5mm²~6mm²/ 14AWG~10AWG |
2.5mm²~6mm²/ 14AWG~10AWG |
| Insertion force/Withdrawal force | ≤50N/≥50N | ≤50N/≥50N | ≤50N | ≤50N |
| Connecting System | Cromp connection | |||
| Temperature range | -40℃~+125℃ | -40℃~+125℃ | -40℃~+85℃ | -40℃~+85℃ |
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