DAHUA PFM377-D2440 Special distribution box of 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.
>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.
>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.
>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.
Model | DH-PFM377-D2440 |
Control Part | |
Controller type | MPPT |
System voltage | 12VDC/24VDC Auto |
Max. battery voltage | 9VDC~70VDC |
Max. power point voltage range | Battery voltage+2VDC~75VDC |
Rated charging current | 40A |
Rated load current | 20A |
Max. capacitive load capacity | 10000µF |
Max. input open voltage of solar panels | 100V(25℃); 90V(-25℃) |
Max. input power of solar panel | 550W/12VDC; 1100W/24VDC |
MPPT tracking efficiency | >99% |
Conversion efficiency | ≤98% |
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 |
No-load loss | 0.7W~1.2W |
Communication mode | RS232/RS485 |
Distribution Part | |
DC circuit breaker | 2P/40A/DC500V |
Lightning arrester of DC power | 24VDC/20kA |
Distribution box | |
Material | 1.2mm thick SUS201+spraying |
Dimension | 600mmx400mmx226mm(23.62”x15.75”x8.9”) |
Installation method | Pole mount, Ø180mm~Ø300mm(Ø7.09”~Ø11.81”) |
Color | RAL7035 |
Protection degree | IP54 |
Fan | 2*fans, automatic temperature control(45ºC3ºC) |
Overall | |
working temperature | -35℃~+55℃(-31℉~131℉) |
Altitude | ≤3km |
Weight | 17kg(37.48lb) |
Package dimension | 610mmx410mmx236mm(24”.02x16.14”x9.29”) |
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