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)