Item NO.:
S6-EH3P(12-20)K-HModel:
S6-EH3P(12-20)K-HOutput Voltage:
3/N/PE, 220 V / 380 V, 230 V / 400 VMax Output power:
12-20kVAPV Input Voltage:
Max.1000VBattery Voltage:
120-800VWeight:
35.2KgDimension:
563 × 546 × 250 mDisplay:
LCD DisplayWarranty:
25yearsS6-EH3P(12-20)K-H series three-phase energy storage inverter, suitable for large residential and small commercial PV energy storage systems. This series of products support generator networking and parallel operation of multiple inverters; 4 MPPT design, is perfect for large rooftop PV energy storage systems with more roof orientation and complex structure. Products with multiple flexible load capacity, including UPS level switching; 10second 160% surge power backup overload capability, and adapt to three-phase unbalanced load,half-wave load, more friendly and reliable power supply for the load.
Leading Features:
1. Smart Energy Management
1) AI intelligently manages charging and discharging based on TOU (Time-of-Use) tariffs;
2) Seamless integration with VPP and EMS platforms for enhanced energy optimization;
3) Built-in control for SG-ready heat pumps.
2. High Performance
1) Supports three-phase unbalanced output, allowing up to 40% of rated inverter power per phase(For single system)
2) 160% PV input capacity to maximize solar energy utilization
3) Switching time < 10ms
3. Flexible & Scalable
1) Compatible with mainstream lithium batteries;
2) Easily expand system capacity using parallel connections and AC coupling.
4. Simple & Fast Configuration
1) 7-inch LCD screen for an intuitive user experience;
2) Bluetooth app support for quick and easy setup.
DATASHEET | S6-EH3P(12-20)K-H | ||
Models | 12K | 15K | 20K |
Input DC (PV side) | |||
Recommended max. PV array size | 24kW | 30kW | 40kW |
Max. usable PV input power | 19.2kW | 24kW | 32kW |
Max. input voltage | 1000V | ||
Rated voltage | 600V | ||
Start-up voltage | 160V | ||
MPPT voltage range | 200 - 850 V | ||
Max. input current | 4 × 20 A | ||
Max. short circuit current | 4 × 30 A | ||
MPPT number / Max. input strings number | 4 / 4 | ||
Battery | |||
Battery type | Li-ion | ||
Battery voltage range | 120 - 800 V | ||
Max. charge / discharge power | 12kW | 15kW | 20kW |
Max. charge / discharge current | 50A | ||
Communication | CAN / RS485 | ||
Output AC (Grid side) | |||
Rated output power | 12kW | 15kW | 20kW |
Max. apparent output power | 12kVA | 15kVA | 20kVA |
Rated grid voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||
Rated grid frequency | 50 Hz / 60 Hz | ||
Rated grid output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
Max. output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
Power factor | > 0.99 (0.8 leading - 0.8 lagging) | ||
THDi | < 3% | ||
Input AC (Grid side) | |||
Input voltage range | 304 - 437 V / 320 - 460 V | ||
Max. input current | 27.3 A / 26.0 A | 34.2 A / 32.5 A | 45.6 A / 43.3 A |
Rated grid frequency | 50 Hz / 60 Hz | ||
Frequency range | 45 - 55 Hz / 55 - 65 Hz | ||
Output AC (Back-up) | |||
Rated output power | 12kW | 15kW | 20kW |
Max. apparent output power | 1.6 time of rated power, 10 s | ||
Back-up switch time | < 10 ms | ||
Rated output voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||
Rated frequency | 50 Hz / 60 Hz | ||
Rated output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
THDv (@linear load) | < 3% | ||
Efficiency | |||
Max. efficiency | 97.7% | ||
EU efficiency | 97.5% | ||
BAT charged by PV max. efficiency | 98.5% | ||
BAT charged / discharged to AC max. efficiency | 97.2% | ||
Protection | |||
Anti-islanding protection | Yes | ||
Output over current protection | Yes | ||
Short circuit protection | Yes | ||
Integrated AFCI 2.0 | Optional | ||
Integrated DC switch | Yes | ||
DC reverse-polarity protection | Yes | ||
PV over voltage protection | Yes | ||
Battery reverse protection | Yes |
DATASHEET 2 | General Data |
Max. allowable phase imbalance (grid & back-up) | 100% |
Max. power per phase (grid & back-up) | 40% rated power |
Dimensions (W × H × D) | 563 × 546 × 250 mm |
Weight | 35.2 kg |
Topology | Transformerless |
Self-consumption (night) | < 25 W |
Operating ambient temperature range | -25 ~ +60°C |
Relative humidity | 0 - 95% |
Ingress protection | IP66 |
Noise emission (typical) | < 65 dB(A) |
Cooling concept | Intelligent fan-cooling |
Max. operation altitude | 4000 m |
Grid connection standard | EN 50549-1/-10, VDE4105, CEI 0-21, CEI 0-16, NC-RFG TypeB, NRS 097-2-1, LTU-1, G99, PEA |
Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 |
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