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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
• Suitable for AC 50Hz circuits with rated voltage up to 280V.
• Type A/AC residual current circuit breaker, reliably trips for AC sinusoidal residual current and pulsating DC residual current.
• Provides personal electric shock protection and equipment & line leakage protection.
• Offers overload and short-circuit protection for circuits.
• Used for infrequent circuit connection, disconnection and switching under normal conditions.
| PRODUCT MODEL | SCB8LE-63 | |
| Pole | 1P+N，2P | 3P,3P+N,4P |
| Rated Operational Voltage/Ue(V) | AC230V | AC400V |
| Rated Operational Current/In(A) | 6A,10A,16A,20A,25A,32A,40A,50A,63A | |
| Frequency(Hz) | 50/60Hz | |
| Rated Insulation Voltage/Ui(V) | 500V | |
| Rated Impulse withstand Voltage/Uimp(V) | 8KV | |
| Rated Breaking Capacity/Ics(kA) | 6 | |
| Overcurrent Instantaneous Release Type | B,C,D | |
| Rated Residual Operating Current I△nm(A) | 30,50,100 | |
| Rated Residual Non-operating Current I△nom(A) | 15, 25, 50, 300,Customized | |
| Breaking Time s I△n | <0.1 | |
| Rated Residual Breaking Capacity I△mA | l△mA 2000 | |
| Mechanical Life | 20000 Times | |
| Electrical Life | ≥4000 | |
| Mounting | Easy installed and fastening onto 35mm device rail(DIN) | |
| Location | Indoor or in the Water-proof Box | |
| SPD Protection | Optional | |
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