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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
• Materials: Nylon + EPDM rubber
• Waterproof: IP68
• Temperature：-40°～105°,Short-term 120°
• fire prevention：UL94V-2,Customizable V0
• performance：ROHS20, EU CE, IP68
| Product model | Thread size | Cable range | Thread length | Wrench Size |
| PN. | Metric | φ mm | GL mm | nut/cap mm |
| MG25A-H7-04 | M25×1.5 | 2~4 | 15 | 33/33 |
| MG20A-H7-048 | M40×1.5 | 5~8 | 20 | 50/50 |
| MG21A-H7-04 | PG21 | 2~4 | 12 | 36/33 |
| MG36A-H7-04 | PG36 | 5~8 | 15 | 57/50 |
| G3/4A-H7-04 | G3/4 | 2~4 | 15 | 33/33 |
| G1-1/4A-H7-08 | G1-1/4 | 5~8 | 16 | 51/50 |
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