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Solis S6-EH3P20K-H – 20kW Three-Phase High-Voltage Hybrid Solar Inverter
The Solis S6-EH3P20K-H is a 20kW three-phase high-voltage hybrid inverter designed for large homes and commercial solar and storage systems. It has 4 MPPT trackers and accepts up to 32kW of usable solar power. It connects to high-voltage lithium-ion batteries and can use a generator to extend backup time during a power outage. The IP66 rating allows indoor or outdoor installation.
Key Features
- 4 MPPT trackers with up to 20A input current per tracker
- Up to 32kW usable PV input (40kW recommended maximum array size)
- Works with high-voltage lithium-ion batteries (120V to 800V)
- Dual backup ports for separate control of critical and non-critical loads
- Generator compatible to extend backup time during an outage
- AC voltage detection on grid and generator outputs to prevent reverse current damage to generators
- Backup output of 1.6 times rated power for 10 seconds
- Backup switch time under 10ms
- Peak shaving support
- Heat pump compatible (SG Ready)
- Handles unbalanced and half-wave loads on both grid and backup ports
- Integrated DC switch
- IP66 protection
- 7-inch LCD display with Bluetooth and app monitoring
Specifications
- Rated Output Power: 20kW
- Maximum Apparent Output Power: 20kVA
- Recommended Maximum PV Array Size: 40kW
- Maximum Usable PV Input Power: 32kW
- Number of MPPT Trackers: 4 (4 strings)
- Maximum Input Current: 4 x 20A
- MPPT Voltage Range: 200V to 850V
- Maximum DC Input Voltage: 1000V
- Rated DC Voltage: 600V
- Start-up Voltage: 160V
- Battery Type: Lithium-ion
- Battery Voltage Range: 120V to 800V
- Maximum Charge/Discharge Power: 20kW
- Maximum Charge/Discharge Current: 50A
- AC Output Voltage: 3/N/PE, 220/380V or 230/400V
- Frequency: 50Hz / 60Hz
- Rated Grid Output Current: 30.4A (380V) / 28.9A (400V)
- Maximum AC Input Current from Grid: 45.6A (380V) / 43.3A (400V)
- Generator Input: 20kW maximum, 30.4A / 28.9A
- Power Factor: Above 0.99 (0.8 leading to 0.8 lagging)
- Grid Current Distortion (THDi): Less than 3 percent
- Backup Rated Output Power: 20kW
- Backup Voltage Distortion (THDv): Less than 3 percent
- Maximum Phase Imbalance: 100 percent
- Maximum Power per Phase: 40 percent of rated power
- Maximum Efficiency: 97.7 percent
- European Efficiency: 97.5 percent
- Battery Charged by PV Maximum Efficiency: 98.5 percent
- Battery Charged/Discharged to AC Maximum Efficiency: 97.2 percent
- Protection: Anti-islanding, output overcurrent, short circuit, DC reverse polarity, PV overvoltage, battery reverse polarity, integrated DC switch
- Arc-Fault Protection (AFCI 2.0): Optional
- Dimensions (W x H x D): 563 x 546 x 250 mm
- Weight: 35.2kg
- Topology: Transformerless
- Night Self-Consumption: Less than 25W
- Operating Temperature: -25°C to +60°C
- Humidity: 0 to 95 percent
- Noise: Less than 65 dB(A)
- Cooling: Intelligent fan cooling
- Protection Rating: IP66
- Maximum Operating Altitude: 4000m
- PV Connection: MC4 connector
- Battery and AC Connection: OT terminal
- Display: 7.0 inch LCD with Bluetooth and app
- Communication: CAN, RS485, Ethernet (optional Wi-Fi, cellular, LAN)