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Dahua PFM377-D4830 Special Dahua distribution box for solar…
Dahua PFM377-D4830. Special Dahua distribution box for solar power supply. Allows to control the charging and discharging of small off-grid solar power systems. It includes an MPPT solar charge and discharge controller, a lightning arrestor, a DC circuit breaker and a distribution box. Supports automatic system voltage identification, current-limited charging mode, built-in over-temperature protection mechanism, etc. IP54 protection rating. 1.2 mm thick SUS201 material with cooling function. The fan is automatically activated when the temperature is above 45°C. Dh-pfm377-d4830.
Controller type: MPPT
System voltage: 12V DC / 24V DC / 48V DC Auto
Maximum battery voltage: 9V DC ~ 70V DC
Maximum power point voltage range: battery voltage + 2V DC ~ 120V DC
Rated charging current: 30A
Rated charging current: 20A
Maximum capacitive load capacitance: 10000µF
Open input voltage of solar panels: 150V (25C); 135V (-25°C)
Maximum solar panel input power: 400W / 12V DC; 800W / 24V DC; 1200W / 36V DC; 1600W / 48V DC
MPPT tracking efficiency: >99%.
Conversion efficiency: ≤98%.
No-load loss: 0.7W ~ 1.2W
Communication Mode: RS232 / RS485
DC circuit breaker: 2P / 32A / 500V DC
DC lightning arrester: 48V DC / 20kA
Operating temperature: -35°C ~ +55°C
Degree of protection: IP54
Material: 1.2 mm thick SUS201 steel + powder coating
Installation method: Pole mounting, Ø180 ~ 300 mm
2 fans with automatic temperature control (45°C 3°C)
Dimension: 400 (W) x 600 (H) x 226 mmWeight: 18.5 kg
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