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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
• Microcontroller based
• Digit display for operating voltage and current value
• Protect electrical device against over/ under voltageover current, three phase asymmetry and incorrect phase sequence
• SYN Synchronous mode ASY Asynchronous mode
• Voltage measurement accuracy1%
• Parameters setting by keys
• LEDs indication for over/ under voltage and over current faults
• 6 Module,DIN Rail mounting
| Pole | 2P | 4P |
| Rated supply voltage | AC 220V | AC 230V |
| Max. operating phase voltage | 350V | AC80V-300V |
| Max. operating current | 63A | 63A/100A |
| Rated frequency | 50/60Hz | |
| Voltage hysteresis | 5V | |
| Hysteresis | Overvoltage and asymmetry:5V Undervoltage:5V | |
| Asymmetry tip delay | 10s | |
| Voltage measurement accuracy | 1%(overthewholerange) | |
| Rated insulation voltage | 450V | |
| Electrical life | 105 | |
| Mechanical life | 105 | |
| Protection degree | IP20 | |
| Pollution degree | 3 | |
| Altitude | <2000m | |
| Operating temperature | -25C~+50C | |
| Humidity | 50% at 40°C(without condensation) | |
| Storage temperature | -25C-55C | |
| > U setting range | 130-300V | |
| 80-210V | ||
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