Solis 12-20KW Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter
Three Phase High Voltage Energy Storage Inverter

Solis 12-20KW Energy Storage Inverter

S6-EH3P 3-phase inverter for residential/commercial PV storage: 4 MPPTs, generator & parallel support, UPS switching, 160% surge, unbalanced load-ready.
  • Item NO.:

    S6-EH3P(12-20)K-H
  • Model:

    S6-EH3P(12-20)K-H
  • Output Voltage:

    3/N/PE, 220 V / 380 V, 230 V / 400 V
  • Max Output power:

    12-20kVA
  • PV Input Voltage:

    Max.1000V
  • Battery Voltage:

    120-800V
  • Weight:

    35.2Kg
  • Dimension:

    563 × 546 × 250 m
  • Display:

    LCD Display
  • Warranty:

    25years


 

Solis 12-20Kw Three Phase High Voltage Energy Storage Inverter

  S6-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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