| Smart 1 Series | 40A | 50A | 60A |
| Charge Mode | Maximum Power Point Tracking |
| Method | 3 stages: fast charge(MPPT),constant voltage,floating charge |
| System Type | DC12V/24V/48V | Automatic recognition |
| System Voltage | 12V system | DC9V~DC15V |
| 24V system | DC18V~DC30V |
| 48Vsystem | DC36V~DC60V |
| Soft Start Time | 12V/24V/48Vsystem | ≤10S |
| Dynamic Response | 12V/24V/48Vsystem | 500us |
| Recovery Time |
| Conversion Efficiency | 12V/24V/48Vsystem | ≥96.5%,≤99% |
| PV Modules Utilization Rate | 12V/24V/48Vsystem | ≥99% |
| Input Characteristics |
| MPPT Working Voltage and Range | 12V system | DC18V~DC150V |
| 24V system | DC34~DC150V |
| 48V system | DC65~DC150V |
| Low Voltage Input Protection Point | 12V system | DC16V |
| 24V system | DC30V |
| 48V system | DC60V |
| Low Voltage Input Recovery Point | 12V system | DC22V |
| 24V system | DC34V |
| 48V system | DC65V |
| Max DC Voltage | 12V/24V/48V system | DC160V |
| Input Overvoltage Protection Point | 12V/24V/48V system | DC150V |
| Input Overvoltage Recovery Point | 12V/24V/48V system | DC145V |
| Max. PV Power | 12V system | 570W | 700W | 900W |
| 24V system | 1130W | 1400W | 1700W |
| 48V system | 2270W | 2800W | 3400W |
| Output Characteristics |
| Selectable Battery Types (Default type is GEL battery) | 12V/24V/48Vsystem | Sealed lead acid, vented, Gel, NiCd battery |
| (Other types of the batteries also can be defined) |
| Constant Voltage | 12V/24V/48V system | Please check the charge voltage according to the battery type form. |
| Floating Charge Voltage | 12V/24V/48V system |
| Over Charge Protection Voltage | 12V system | 14.6V |
| 24V system | 29.2V |
| 48V system | 58.4V |
| Rated Output Current | 12V/24V/48V system | 40A | 50A | 60A |
| Current-limiting Protection | 12V/24V/48V system | 44A | 55A | 66A |
| Temperature Factor | 12V/24V/48V system | ±0.02%/ºC |
| Temperature Compensation | 12V/24V/48V system | 14.2V-(The highest temperature-25ºC)*0.3 |
| Output Ripples(peak) | 12V/24V/48V system | 200mV |
| Output Voltage Stability Precision | 12V/24V/48V system | ≤±1.5% |
| Display |
| LCD display | Input,output parameter and output power etc |
| (check the LCD display instruction) |
| LED display | 3 LEDs indicates:Fault indicate light,charge indicate light,power source indicate light(check the LED instruction) |
| Software Control through PC(communication port) | RS232 (matching) or LAN(optional) |
| Protection |
| Input Low Voltage Protection | Check the input characteristics |
| Input Overvoltage Protection | Check the input characteristics |
| Input Polarity Reversal Protection | yes |
| Output Overvoltage Protection | Check the output characteristics |
| Output Polarity Reversal Protection | yes |
| Short-circuit Protection | Recover after eliminating the Short-circuit fault,no problem for long term Short-circuit |
| Temperature Protection | 95ºC |
| Temperature protection | Above 85ºC,decrease the output power,decrease 3A per degree. |
| Other Parameters |
| Noise | ≤40dB |
| Thermal methods | Forced 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 stop ran. |
| Components | World brand raw materials. Compliance with EU standards.All rated temperature of electrolytic capacitors not less than 105ºC |
| Environment Protection | Meet the 2002/95/EC,no cadmium hydride and fluoride |
| Physical |
| Measurement DxWxH(mm) | 270*185*90 |
| N.G(kg) | 3 |
| G.N(kg) | 3.6 |
| Color | Blue/Green (optional) |
| Safety | CE,RoHS, PSE,FCC |
| EMC | EN61000 |
| Type of Mechanical Protection | IP21 |
| Environment |
| Humidity | 0~90%RH ( no condense) |
| Altitude | 0~3000m |
| Operating Temperature |
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| Storage Temperature |
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| Atmospheric Pressure | 70~106kPa |
