Item | SYMD48 30A | SYMD48 40A |
Rated Voltage (VDC) | 48 | |
Rated power of solar panels (KWp) | 1.44 | 1.92 |
Rated charge current(A) | 30 | 40 |
PV open circuit voltage range(V) | 73.8-190 | |
PV charging ways | MPPT | |
MPPT operating voltage range | 57.6V-148.2V | |
PV input points | 1 | |
Static losses | <10mA(48VDC) | |
Charging circuit voltage drop | ≤0.7V | |
Temperature compensation (optional) | -30mV/℃ (based on 25℃) | |
Charging constant-current accuracy | 5‰ | |
Voltage ripple coefficient | 1% | |
Current ripple coefficient | 1% | |
Efficiency | ≥97%(full operation) | |
Display | sound-light alarm+LCD display (or communication monitor ) | |
Protection | PV input anti- connecting, battery anti- connecting, Night adverse current resistant, battery overcharge resistant, Battery undervoltage alarm, Battery over temperature alarm | |
Communication | RS485/RS232,GPRS,Ethernet | |
Cooling way | air cooling | |
IP level | IP30(IP65 customized) | |
Working temperature | -10℃~+50℃ | |
Storing temperature | -20℃~+70℃ | |
Humidity | ≤95% | |
Elevation(m) | ≤4000m 100%,derating use over 4000m) | |
