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Solis

String Inverter Solis S5-GR3P20K 20kW Three-phase 2 MPPT CEI 0-21 IP66

String Inverter Solis S5-GR3P20K 20kW Three-phase 2 MPPT CEI 0-21 IP66

Regular price €1,455.17
Regular price Sale price €1,455.17
Sale Sold out Excl. VAT — calculated in the cart0.07 €/W
See the price with VAT

Price including VAT by delivery country

  • Italy22% €1,775.30
  • Germany19% €1,731.65
  • France20% €1,746.20
  • Austria20% €1,746.20
  • Belgium21% €1,760.75
  • Bulgaria20% €1,746.20
  • Croatia25% €1,818.96
  • Cyprus19% €1,731.65
  • Czech Republic21% €1,760.75
  • Denmark25% €1,818.96
  • Estonia24% €1,804.41
  • Finland25.5% €1,826.23
  • Greece24% €1,804.41
  • Hungary27% €1,848.06
  • Ireland23% €1,789.85
  • Latvia21% €1,760.75
  • Lithuania21% €1,760.75
  • Luxembourg17% €1,702.54
  • Malta18% €1,717.10
  • Netherlands21% €1,760.75
  • Poland23% €1,789.85
  • Portugal23% €1,789.85
  • Romania21% €1,760.75
  • Slovakia23% €1,789.85
  • Slovenia22% €1,775.30
  • Spain21% €1,760.75
  • Sweden25% €1,818.96

Shown prices exclude VAT. At checkout the rate of the delivery country applies. Businesses with a valid EU VAT number buy without VAT (reverse charge).

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  • Reduced 10% VAT on solar and storage for customers in Italy: write to us before ordering.

Shipping

  • Italy: €13 on orders up to €150, free shipping over €150.
  • European Union: 60 € per order, with no threshold

Rates apply to the cart total and are confirmed at checkout, where shipping to countries outside the EU is also calculated.

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Shipping costs
Italy: free over €150; €13 for smaller orders.
European Union: free over €350; €60 for smaller orders.

Solis S5-GR3P20K — 20 kW Three-phase

🚚 Fast delivery in 10-20 days.

The three-phase Solis 20 kW string inverter (S5-GR3P20K) converts the energy produced by the photovoltaic array into three-phase alternating current and is intended for medium-to-large residential systems and small commercial installations. It is a grid-tie inverter: it works only when connected to the electricity grid and does not manage storage batteries.

Key features

  • 2 MPPT trackers (2/2 strings per MPPT) with Multi Peak Scan function
  • Maximum efficiency 98.7 % and reduced THDi
  • Photovoltaic array oversizing up to 150%
  • Integrated protections: AFCI, anti-islanding, overcurrent, short circuit and DC polarity reversal
  • IP66 protection rating: indoor or outdoor installation
  • LCD display, RS485 interface and SolisCloud monitoring with optional WiFi dongle
  • CEI 0-21 certified — 10-year warranty

Technical specifications

Model S5-GR3P20K
Type On-grid string inverter
Phase Three-phase
Rated AC power 20 kW
Maximum PV input power 30 kW
Number of MPPT 2
Strings per MPPT 2/2
Start-up voltage 180 V
MPPT voltage range 160 - 1000 V
Maximum input voltage 1100 V
Maximum current per MPPT 32 A
AC output 230-400 V 3L+N+PE
Maximum output current 31.8 A
Maximum efficiency 98.7 %
Cooling Active
Noise level 60 dB
Communication RS485 (optional WiFi)
Protection rating IP66
Operating temperature -25 / +60 °C
Dimensions (WxHxD) 310x563x219 mm
Weight 20.8 kg
Manufacturer warranty 10 years

Remote monitoring via SolisCloud requires the Solis S5-WiFi-ST WiFi dongle, not included. Installation and commissioning must be carried out by qualified personnel, in compliance with applicable regulations and the manufacturer's instructions.