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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
• Up to 12kV, 3-phase 50Hz
• Control & protection in one unit
• Reliable for frequent switching
• Flexible: fixed or withdrawable design
• Maintenance-free with encapsulated poles
• Compatible with KYN28A-12 & XGN systems
| Product Model | SV8 |
| Rated Voltage | 12/24kV |
| Rated Frequency | 50Hz |
| Rated Current | 630/1250/1600/2000/3150/4000kA |
| Rated Short-Circuit Breaking Current | 20/25/31.5/40A |
| Rated Short-Circuit Making Current (Peak) | 50/63/80kA |
| Rated Short-Time Withstand Current Duration | 4S |
| Rated Number of Short-Circuit Breaking Operations | 50 times |
| Rated Operating Sequence | 0-0.3sCO-180s-CO |
| Rated Lightning Impulse Withstand Voltage (Across terminals) | 75kV |
| Rated Power-Frequency Withstand Voltage (1 minute, Across terminals) | 42kV |
| Closing Time | ≤100ms |
| Opening Time | ≤50ms |
| Mechanical Endurance | 20000 times |
| Rated Energy Storage & Operating Voltage | ≌ 220/110 |
| Total Breaking Time | ≤80ms |
| Energy Storage Time | ≤10s |
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