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|
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) |
|
