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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
• High Safety: 20kA breaking capacity and ultra-fast operation (1-3ms time constant).
• PV & ESS Compliant: Meets IEC 60269-6 and GB/T 13539.6 standards for solar and energy storage systems.
• High Efficiency: Low power consumption and low temperature rise for stable operation.
• Wide Range: 1500VDC rating with a 40A to 160A current selection.
• Compact & Durable: Standardized size, robust structure, and long service life.
| MODEL | RATED CURRENT | POWER LOSS 1.0IN (W) | BREAKING CAPACITY | NET WEIGHT |
| SNHPV | 40A | 5.5 | 1000VDC TUV&CE: 20kA |
0.275kg |
| 50A | 6.2 | |||
| 63A | 7.0 | |||
| 80A | 8.4 | |||
| 100A | 10.8 | |||
| 125A | 13.6 | |||
| 160A | 17.4 | |||
| SNHXLPV | 40-160A | 17.4 | 1500Vdc: 20kA |
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