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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
• Compact size with higher current and voltage ratings in the same class.
• Equipped with arc-extinguishing chamber per pole: Effectively quenches arcs.
• Flexible configuration for different applications, enabling easier wiring.
• Comes standard with terminal covers to prevent accidental contact and ensure personnel safety.
• Equipped with an indicator window.
• Support for optional remote signal contacts.
• Can resist transient overvoltage.
• Comply with standards:IEC 60947-1 IEC 60947-3.
• Certificate:CCC、TUV、CB、CE、ROHS.
| ITEM | TECHNICAL PARAMETERS | |||||
| Pole Number | 1P | 4P(1SET) | 6P | 3P | 2P | |
| Rated Operating Current | 32A-500A | |||||
| Rated Operating Voltage | DC750V DC1000V DC1250V DC1500V | |||||
| Rated Insulation Voltage | 1600V | |||||
| Rated Impulse withstand Voltage | 12kV | |||||
| Rated Short-Time Withstand Current | 8kA/1S | |||||
| Rated Short-Circuit Making Capacity | 15kA | |||||
| Maximum Conductor Section | 150(2PCS) | |||||
| Ambient Temperture | -50℃~70℃ | |||||
| 32-100A | PV-1 | PV-1/PV-2 | - | - | PV-1/PV-2 | |
| 125-250A | PV-1 | PV-1/PV-2 | - | - | PV-1/PV-2 | |
| In(A) Category | 320A | PV-1 | PV-1 | PV-2 | - | - |
| 400A | - | - | - | PV-1 | - | |
| 50OA | - | - | - | PV-1 | - | |
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