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Solis S6-EH3P8K-LV-ND-H 3-Phase Hybrid inverter (3x230V)

€1.952,94 incl. 21% VAT
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The Solis S6-EH3P8K-LV-ND-H is a three-phase hybrid inverter with a nominal AC output power of 8.00 kW, specifically engineered for 3×230V grid configurations without a neutral conductor. With four independent MPPT trackers, support for phase imbalance control and a battery voltage range of 120V – 800V, this system delivers maximum flexibility for residential projects where standard 400V solutions are technically not applicable.

  • 8.00 kW rated output power: With support for 12.8 kWp DC input (160% oversizing) and 4 independent MPPT trackers.
  • Phase imbalance control: Up to 100% unbalanced output — up to 40% of rated power assignable per phase.
  • Backup transfer time <10ms: Critical loads remain fully operational during grid outages.
  • Battery voltage range 120V – 800V: Compatible with high-voltage lithium-ion battery systems via CAN/RS485.
  • IP66-certified: Robust outdoor enclosure for demanding installations.

Suitable for

  • Residential projects on 3×230V grid configurations without a neutral conductor (e.g. Belgium, Caribbean)
  • Installations with phase imbalance where a standard 400V grid is unavailable
  • Hybrid systems with high-voltage batteries (120V – 800V) from BYD or Pylontech
  • Installations with high PV capacity via 160% oversizing (12.8 kWp)
  • Systems requiring backup power with fast transfer switching (<10ms)

Solis S6-EH3P8K-LV-ND-H — specifications and benefits

  • Phase imbalance control: Up to 100% unbalanced output — essential for 3×230V grid configurations without a neutral conductor where the load per phase can vary significantly.
  • On-grid, off-grid and AC coupling: Supports multiple operating modes including parallel operation of up to 6 units.
  • CAN and RS485 communication: Seamless integration with high-voltage battery systems from BYD and Pylontech.
  • SolisCloud AI optimisation: Dynamic pricing integration increases self-consumption to approximately 70%.
Property Value
Brand & model Solis S6-EH3P8K-LV-ND-H
Type Three-phase hybrid inverter
Nominal AC power 8.00 kW
Max. apparent power 8 kVA
Max. PV input 12.8 kWp (160% oversizing)
MPPT trackers / strings 4 / 4
Backup transfer time <10ms
Battery type Li-ion (high voltage)
Battery voltage range 120V – 800V
Grid configuration 3×230V (phase-to-phase, no neutral conductor)
Protection rating IP66
Dimensions (W × D × H) 563 × 235 × 546 mm
Weight 32.6 kg

Note: The official datasheet is always leading for the correct technical specifications.

Important, grid configuration must be verified before installation: This inverter is exclusively suitable for 3×230V (phase-to-phase) grids without a neutral conductor and must not be operated on standard 400V three-phase electrical infrastructures. Verification of the local grid structure by a certified installer is mandatory prior to installation.
Download Datasheet Download Manual
What is included in the Solis S6-EH3P8K-LV-ND-H package?
Component Description
Hybrid inverter 1× Solis S6-EH3P8K-LV-ND-H
Back plate 1× mounting plate
Fixing screws (M4×12) 2×
Expansion bolts (M10×70) 4×
MC4 PV connectors 4×
CAN communication cable 1×
Current transformers (CT) 3×
RJ45 signal connectors 6×
Bluetooth antenna 1×
Data logging stick (monitoring module) 1×
Meter cable 1×
Eastron energy meter 1×
Quick installation manual 1×
Which battery systems are compatible with the Solis S6-EH3P8K-LV-ND-H?

The inverter is compatible with high-voltage lithium-ion batteries (120V – 800V) communicating via CAN or RS485. Validated systems include solutions from BYD and Pylontech. The inverter optimises charge and discharge cycles based on battery health and current energy tariffs. Always refer to the most current compatibility list in the datasheet and verify the firmware version before installation.

How does the Solis S6-EH3P8K-LV-ND-H operate in a self-consumption scenario?

In self-consumption mode, PV energy is prioritised for direct loads and battery charging. Surplus energy is stored and deployed in the evening or at night, increasing self-consumption to approximately 70%. During grid failure, the inverter switches to backup mode within <10ms. The system supports on-grid, off-grid and AC coupling, as well as parallel operation of up to 6 units. The actual result depends on your consumption profile, PV yield and applicable energy tariffs.

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Solis S6-EH3P8K-LV-ND-H 3-Phase Hybrid inverter (3x230V) – General installation or product video