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Solis S6 4.0kW 1Ph Inverter, 2 MPPT, DC SW CT/Meter Port, Type 2 AC/DC SPD, AFCI 1.0
Solis 33 IN STOCK

Solis S6 4.0kW 1Ph Inverter, 2 MPPT, DC SW CT/Meter Port, Type 2 AC/DC SPD, AFCI 1.0

SOL-S6-GR1P4.0K-S-21A
£342.95 ex VAT

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High Conversion EfficiencyMore of your solar reaches the home
MPPT TrackingMaximises yield in changing light
Grid CompliantMeets UK G98 / G99 requirements

Solis S6 4.0kW 1Ph Inverter, 2 MPPT, DC SW CT/Meter Port, Type 2 AC/DC SPD, AFCI 1.0

Solis S6 4.0kW 1Ph Inverter, 2 MPPT, DC SW CT/Meter Port, Type 2 AC/DC SPD, AFCI 1.0
Part No: SOL-S6-GR1P4.0K-S-21A
PV Inverters - Main Units
  • Rating: 4,000W
  • Phases: 1

Solis Series 6 is the latest generation of grid-tied residential inverters from Solis. This range of inverters are leaders in affordable small residential rooftop installations.

Product Features

  • Upgraded Maximum string input current 21A
  • Easy installation: Integrate with export power control function and DRM function.
  • Max. Efficiency over 97.7% European efficiency over 97.1%
  • Wide input voltage range for better generation and low startup
  • Dual MPPT design with precise MPPT algorithm
  • Export Limitation built in - Requires CT clamp (sold separately)
  • Integrated AFCI (DC arc-fault circuit protection)
  • Rated IP66
  • 5-year standard warranty (10-year standard warranty for the Netherlands, Belgium, France, Germany, Poland, Italy)

Need monitoring? The Solis WIFI adaptor is compatible with all Solis inverters, click here for details.


High Efficiency 96.5 %More power from the same roof space
Technical Specifications
Rated Power (Pmax)4,000 W
Module Efficiency96.5 %
Battery Voltage50 V
MPPT Quantity2.0
Min MPPT Voltage50 V
Max MPPT Voltage550 V
Max Input Voltage550 V
Max DC Power6,000 W
Max AC Power (5 min)4,000 W
Surge AC Power (1 sec)4,001 W
Max DC Current42 A
Max DC Inputs2.0
Integrated DC SwitchYes

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Shipping & Returns

Delivery times vary by region:

  • UK — 1-2 business days
  • Highlands & Islands — 1-2 business days

Returns accepted within 14 days of delivery for unused items in original packaging.