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1.Overview
Sunfine SMB3 series is three phase off grid solar inverter, all- in-one unit, combine MPPT controller, Inverter and battery DC-DC charger. It also has battery manage function for option. SMB supports Grid or AC generator backup. The charger mode is 3 steps: CC, CV and FC automatically.
The excess power from PV panels will charger to battery, and when solar power is lacking, battery will make up the rest or serve as complete power source. Switching time between PV/Grid/Battery for Standard configuration unit is less than 5ms. Soft or variable frequency starting way options is for different type loads.
Our standard sequence of power supply of SMB3 is solar, grid and battery.
2.Features
Manufacturer to get the lowest price
SVPWM
Multi functions combined
2 years warranty
all-in-one unit
96.8% efficiency
Mitsubishi IPM
TI DSP
Multi-protection for maximum safety
remote monitor software
RS485/232 compatible
IP23
Battery manage option
soft or variable frequency starting option
operated and mounted easily
Support Grid backup
Support generator backup too
true wide MPPT input range
stable and speedy working
transformerless
Independently Design (Completely Autonomous Design)
Customization accepted
small power from 3KW
Zero Switching Time
Less standby power consumption
Statistics for power production and CO2
8K*4 RUN LOG report
MC4 connecter
Various panel types matched
3.Diagram
4.Technical Parameter
| AC side | SMB3-3K/1S | SMB3-4K/1S |
| Continuous output power at 40°C(P nom) | 3000W | 4000W |
| AC output current | 4.5A | 6.1A |
| AC output voltage(nominal) | 380V AC+/-10%, 50/60Hz+/-1Hz, true sine wave<3% THD, three phase | |
| AC output range | 342-418V AC (limited by local regulations) | |
| Standby losses | ≤30W | |
| User interface | interactive LCD display with button operation | |
| Connectivity | RS232/485 | |
| Backup switch over time | <5 ms | |
| DC side | ||
| Max.input | 16.6A | 22.2A |
| No.of strings | 1 | |
| No.of MPPT trackers | 1 | |
| Solar Voltage | 198-360V DC | 223-360V DC |
| MPPT voltage | 198-360V DC | 223-360V DC |
| Solar Connections | MC4 | |
| Max.Efficiency | 0.97 | |
| Max.MPP Efficiency | 0.99 | |
| Power factor | >0.99 (Rated power) | |
| Battery | ||
| Charge voltage (V DC) | 168 | 192 |
| Battery voltage output (Vout) | 12V DC a pack | |
| No. of battery | 14 | 16 |
| Battery types | Gel, AGM,LiFePO4 | |
| Battery capacity | 85-200Ah recommended | |
| Change curve | CC,CV,FC,3-stage adaptive with maintenance | |
| Battery patrol management | for option | |
| Battery self-checking | for option | |
| Environmental | ||
| Operating Temperature Range(full power) | -10°C to +50°C(derating from 40°C) | |
| Storage Temperature | -40°C to +70°C | |
| Humidity | maximum 90%, non-condensing | |
| Warranty | two years | |
| General | ||
| Dimensions(WxHxD)(mm) | 610*400*203 | 1100*600*400 |
| Protection Category | IP65 | IP23 |
| Weight(kg) | 41 | 100 |
| Protection | over/under voltage,over/under frequency, AC short circuit, Ground fault monitoring, DC reverse polarity, over load | |
| Topology | HF-CHAIN | |
| Cooling | Fan Cooling | |
5.Monitoring remote software:
6. product details:
7. Packing:
8. Export market distribution:
9.Production Machinery:
10. Workshop and warehouses
11. Company Logo
BV approved home system for solar 5kw off grid battery charger inverter mppt hybrid inverter solar