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SMC3 Series MPPT Solar Charge Controller
SMC3 series is a max. power point tracking function with high efficiency MPPT solar charge controller, with 20A-60A rated charge current, 12V, 24V, 48V system automatic recognition.
Key Features

Advanced MPPT technology, conversion efficiency up to 99%

12V/24V/48V battery system (automatic recognition)

Rated charge current: 20A/25A/30A/40A/50A/60A

Maximum PV input voltage up to DC150V

Paralleled operation up to 100units

 RS232 & LAN communication port

Journal function, save function set, date, time, generating capacity etc.

LED & LCD display: PV input voltage, battery types, battery voltage, charging current, charging power, working status etc.

Battery types: Gel (defaulted), Sealed Lead Acid, Vented, Ni-Cd and user-defined

Charge mode: three stages (fast/ constant/ floating charge), which prolongs service life of the battery

Discharge mode: ON/OFF mode, double time control mode, PV voltage control mode, PV voltage & time delay mode etc.


Charge   ModeMPPT(maximum power point tracking)
Charge   MethodThree stages: fast charge (MPPT), contant voltage, floating charge)
System   TypeDC 12V/24V/48V (Automatic recognition)
System   Voltage12V system: DC9V-DC15V, 24V system: DC18V-DC30V, 48V system:   DC36V-DC60V
Soft   Start Time10s
Dynamic   Response Recovery Time500us
Conversion   Efficiency96.5%, 99%
PV   Modules Utilization Rate99%
Input Characteristics
MPPT   Working Voltage and range12V system: DC18 ~ 150V, 24V system: DC34 ~ 150V, 48V system: DC65 ~   150V
Low   Voltage Input Protection Voltage12V system: DC16V, 24V system: DC30V, 48V system: DC60V
Low   Voltage Input Recovery Voltage12V system: DC22V, 24V system: DC34V, 48V system: DC65V
Max   DC VoltageDC160V
Input   Overvoltage Protection VoltageDC150V
Input   Overvoltage Recovery VoltageDC145V
Maximum PV Power12V system (W) 286W 357W 429W570W700W900W
24V system (W)572W715W858W1130W1400W1700W
48V system (W)1144W1430W1716W2270W2800W3400W
Output Charge Characteristics
Selectable   Battery Types Sealed lead acid, Vented, Gel, Ni-Cd battery (Other types of batteries   also can be defined, default type is GEL Battery)
Constant   / Floating Charge VoltagePlease check the charge voltage according to battery's type form.
Over   Charge Protection Voltage12V system: DC14.6V, 24V system: DC29.2V, 48V system: DC58.4V
Rate   Charge/ Output  Current20A25A30A40A50A60A
Current-limiting   Protection25A30A35A44A55A66A
Max.   Current (DC Loads)40A
Temperature   Factor±0.02%/
Temperature   Compensation14.2V-(The highest temperature -25)*0.3
Output   Ripples (peak)200mV
Output   Voltage Stability Precision±1.5%
Discharge Characteristics
Max   Discharge Current30A40A
Max.   discharge power420W840W1680W570W1130W2276W
Discharge   ProtectionFuse 30A*2
Double-time   ControlOn in morning, off in morning/ On in night, off in night
On/Off   ModeOn/ Off
PV   Voltage ControlPV voltage on, PV voltage off
PV   Voltage / Time Delay ControlPV voltage on, time delay off
Discharge   Voltage ProtectionOutput off when it under setting voltage (Defaulted 10.5V, setting   based on 1 battery.)
Communication Features
RS   232Choose COM communication
LANSet IP and Gate address for controller and solar eagle, then chose TCP   communication
Input/   Output Polarity Reversal ProtectionYes
Short-circuit   ProtectionRecover after eliminating the Short-circuit fault, no problem for long   term Short-circuit
Temperature   Protection95 ( Above 85, output power decreasing,   temperature will decrease 3A/)
Other Parameters
Thermal Heat-dissipating MethodForced air cooling, fan speed rate regulated by   temperature, when inner temperature is too low, fan ran slowly or stop, when   controller stop working, fan also work off.
Environmental   ProtectionCompliance to 2002/95/EC, no cadmium hydride and fluoride.
SmellNo peculiar smell and toxic substances.
Size (DxWxH)mm205*150*60270*185*90
Package Size (DxWxH)mm265*196*110330*245*150
N.W   (KG)2.13
G.W   (KG)2.53.6
Type   of Mechanical ProtectionIP21
Humidity/   Altitude0-99% RH ( No condense)/ 0-3000m
Operating/   Storage Temperature-20 ~ + 40/ -40 ~ + 75
Atmospheric   Pressure70~106KPa