Parameters | Value |
Model | SR-MT2420 | SR-MT2430 |
System voltage | 12V/24V Auto |
Rated load current | 20A |
Rated charging current | 20A | 30A |
Max. input power of PV system | 260W/12V; 520W/24V | 400W/12V; 800W/24V |
Stand by self-consumption | <20mA |
Max. input voltage of solar panel | <150V |
Transfer efficiency | ≤97% |
MPPT tracing efficiency | >99% |
Over voltage protection | 16.5V;×2/24V |
Limited charge voltage | 15.5V;×2/24V |
Equalizing charging voltage | 15.2V;×2/24V(25℃) |
Equalizing charging interval | 30 days |
Boost charging voltage | 14.4V;×2/24V(25℃) |
Float charging voltage | 13.8V;×2/24V(25℃) |
Return voltage when over discharge | 12.5V;×2/24V |
Over discharge voltage | 11.0V;×2/24V |
Boost charging time | 2 hours |
Equalizing charging time | 1 hour |
Temperature compensation | -4.0mv/℃/2V; |
Over temperature protection | Yes |
Light-operated open voltage | 5V |
Light-operated close voltage | 6V |
Light-operated delay time | 5min |
Working temperature | -35℃~+65℃; |
IP level | IP32 |
Weight | 1.18kg | 1.56kg |
Max. wiring dimension | 12mm2 |
Altitude | ≤3000m |
Dimension | 180.7×115×72(mm) | 180.7×170×72(mm) |
Installation dimension | 175.7×70(mm) | 173.7×125(mm) |