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SOLAR POWER SUPPLY – DAHUA DH-PFM377-D4830 DISTRIBUTION BOX
Special distribution box of DAHUA solar power supply system
>The control system of the solar power supply system, used to control the charge and discharge of the small off-grid solar power system;
>This product includes a MPPT solar charge and discharge controller, a lightning arrester, a DC circuit breaker and a distribution box, etc.
>MPPT solar charge and discharge controller: max. MPPT tracking efficiency is up to 99%, can significantly improve the energy utilization of photovoltaic system, which is 15%~20% higher than that of traditional PWM; use advanced digital power supply technology, the efficiency of circuit energy conversion is up to 98%; support automatic identification of system voltage, current limiting charging mode, built-in over temperature protection mechanism, etc.
>Lightning arrester: max. discharge current 20kA;
>DC circuit breaker: high arc extinguishing ability, more safe and reliable than the AC circuit breaker;
>Distribution box: IP54, 1.2mm thick SUS201 material, with the cooling function, when the temperature is higher than 45℃, the fan will open automatically.
1 Year Warranty
1 in stock View checkout procedure
|System voltage||12VDC/24VDC/48VDC Auto|
|Max. battery voltage||9VDC~70VDC|
|Max. power point voltage range||Battery voltage+2VDC~120VDC|
|Rated charging current||30A|
|Rated load current||20A|
|Max. capacitive load capacity||10000µF|
|Max. input open voltage of solar panels||150V(25℃); 135V(-25℃)|
|Max. input power of solar panel||400W/12VDC; 800W/24VDC; 1200W/36VDC; 1600W/48VDC|
|MPPT tracking efficiency||＞99%|
|protection||Input power limit protection, reverse protection, overload protection, input shirt circuit protection of solar energy, load short circuit protection, anti-recoil protection at night, over-temperature protection|
|DC circuit breaker||2P/32A/DC500V|
|Lightning arrester of DC power||48VDC/20kA|
|Material||1.2mm thick SUS201+spraying|
|Installation method||Pole mount, Ø180mm~Ø300mm(Ø7.09”~Ø11.81”)|
|Fan||2*fans, automatic temperature control(45ºC3ºC)|
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