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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
• Dual Voltage Rating: Suitable for both 1000V and 1500VDC systems.
• High-Current Protection: 500A-1250A rated current with 50kA breaking capacity.
• Ultra-Fast Operation: 1-3ms time constant for superior equipment protection.
• International Compliance: Meets IEC 60269-6 and GB/T13539.6 standards.
• Premium Materials: Pure silver melt and silver-plated cover for low resistance.
• High Efficiency: Low temperature rise and reduced power loss.
• Compact Design: Standardized dimensions for easy integration and space saving.
| MODEL | RATED CURRENT | POWER LOSS 1.0IN (W) | BREAKING CAPACITY | NET WEIGHT |
| SNHPV | 500A | 61 | 1000VDC/1500VDC: 20kA | 3.8kg |
| 630A | 73 | |||
| 800A | 88 | |||
| 900A | 100 | |||
| 1000A | 112 | |||
| 1250A | 125 |
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