Description
The Deye SUN-12K-SG04LP3 is one of the best-selling three-phase hybrid inverters, trusted for its outstanding stability and long-term performance. It’s designed for advanced solar energy systems in residential and small commercial use. The inverter supports both on-grid and off-grid modes, integrates with diesel generators, and enables high-efficiency lithium battery storage. Ideal for retrofits and new installations.
Key Features & Benefits
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100% unbalanced output: Each phase supports up to 50% of rated power – ideal for homes with uneven loads.
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AC-coupling retrofit support: Easily upgrade existing solar systems with hybrid functionality.
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Scalable system: Up to 10 inverters in parallel (grid-tied or off-grid) with multiple battery bank support.
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Max. charge/discharge current: 240A – optimized for high-capacity energy storage systems.
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Diesel generator compatibility: Hybrid system can intelligently coordinate with a genset.
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6 configurable time slots for smart battery charge/discharge scheduling.
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48V low-voltage battery support with transformer isolation for extra safety.
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2 MPPTs, wide PV input, smart EMS, WiFi monitoring, RS485 & CAN communication.
Perfect for: 12kW solar setups, hybrid retrofits, off-grid cabins, battery-first configurations, and German/EU grid-compliant systems.
Deye-SUN-12K-SG04LP3-Datasheeti-EN.pdf
Deye-SUN-12K-SG04LP3-Datasheet-DE.pdf
| Model | SUN-5K-SG04LP3-EU | SUN-6K-SG04LP3-EU | SUN-8K-SG04LP3-EU | SUN-10K-SG04LP3-EU | SUN-12K-SG04LP3-EU |
| Battery Input Data | |||||
| Battery Type | Lead-acid or Lithium-ion | ||||
| Battery Voltage Range(V) | 40-60 | ||||
| Max.Charging Current(A) | 120 | 150 | 190 | 210 | 240 |
| Max.Discharging Current(A) | 120 | 150 | 190 | 210 | 240 |
| Charging Strategy for Li-ion Battery | Self-adaption to BMS | ||||
| Number of battery input | 1 | ||||
| PV String Input Data | |||||
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Max. PV Access Power (W)
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10000 | 12000 | 16000 | 20000 | 24000 |
| Max PV Input Power（W） | 7500 | 9000 | 12000 | 15000 | 18000 |
| MaxPV Input Voltage（V） | 800 | ||||
| Start-up Voltage（V） | 160 | ||||
| MPPT Voltage Range（V） | 200-650 | ||||
| Rated PV Input Voltage(V) | 550 | ||||
| Max. Operating PV Input Current (A) | 13+13 | 26+13 | |||
| Max. Input Short-Circuit Current (A) | 17+17 | 34+17 | |||
| No.of MPP Trackers/No.of String Per MPP Tracker | 2/1+1 | 2/2+1 | |||
| AC Input/Output Data | |||||
| Rated AC Input/Output Active Power（W） | 5000 | 6000 | 8000 | 10000 | 12000 |
| Max AC Input/Output Apparent Power （VA） | 5500 | 6600 | 8800 | 11000 | 13200 |
| Peak Power (off-grid)（W） | 2 times of rated power, 10s | ||||
| Rated AC Input/Output Current（A） | 7.6/7.2 | 9.1/8.7 | 12.1/11.6 | 15.2/14.5 | 18.2/17.4 |
| Max AC Input/Output Current（A） | 8.4/8 | 10/9.6 | 13.4/12.8 | 16.7/15.9 | 20/19.1 |
| Max Continuous AC Passthrough (grid to load)（A） | 45 | ||||
| Rated Input/Output Voltage/Range(V) | 220/380V，230/400V 0.85Un-1.1Un | ||||
| Grid Connection Form | 3L+N+PE | ||||
| Rated Input/Output Grid Frequency/Range | 50/45-55, 60/55-65 | ||||
| Power Factor Adjustment Range | 0.8 leading to 0.8 lagging | ||||
| Total Current Harmonic Distortion THDi | <3% (of nominal power) | ||||
| DC Injection Current | <0.5%ln | ||||
| Efficiency | |||||
| Max Efficiency | 97.60% | ||||
| Euro Efficiency | 97.00% | ||||
| MPPT Efficiency | ＞99% | ||||
| Equipment Protection | |||||
| Integrated |
DC Polarity Reverse Connection Protection, AC Output Overcurrent Protection, Thermal Protection,
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AC Output Overvoltage Protection, AC Output Short Circuit Protection, DC Component Monitoring,
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Overvoltage Load Drop Protection, Ground Fault Current Monitoring, Arc Fault Circuit Interrupter (optional),
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Power Network Monitoring, Island Protection Monitoring, Earth Fault Detection, DC Input Switch,
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DC Terminal Insulation Impedance Monitoring, Residual Current (RCD) Detection, Surge protection level
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| Surge Protection Level | TYPE II(DC), TYPE II(AC) | ||||
| Interface | |||||
| Communication Interface | RS485/RS232/CAN | ||||
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Monitor Mode
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GPRS/WIFI/Bluetooth/4G/LAN(optional) | ||||
| General Data | |||||
| Operating Temperature Range | -40 to +60℃, >45℃ Derating | ||||
| Permissible Ambient Humidity | 0-100% | ||||
| Permissible Altitude | 2000m | ||||
| Noise | ≤ 55 dB(A) | ||||
| Ingress Protection(IP) Rating | IP 65 | ||||
| Inverter Topology | Non-Isolated | ||||
| Over Voltage Category | OVC II(DC),OVC III(AC) | ||||
| Cabinet size（W*H*D）[mm] | 422×658×254（Excluding connectors and brackets） | ||||
| Weight[kg] | 38 | ||||
| Warranty | 5 Years/10 Years | ||||
| the Warranty Period Depends the Final Installation Site of Inverter, More Info Please Refer to Warranty Policy | |||||
| Type Of Cooling | Intelligent air cooling | ||||
| Grid Regulation | IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, | ||||
| OVE-Richtlinie R25, G98,G99, VDE-AR-N 4105 | |||||
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | ||||
