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Solis S5-GR3P20K Three-Phase 20kW On-Grid Solar Inverter

Modelo: S5-GR3P20K

Sku: SOLIINV019
Vendor: Solis

€2.486,51 EUR

€1.989,21 EUR

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Solis S5-GR3P20K Three-Phase 20kW On-Grid Solar Inverter with 2 MPPT and 98.7% efficiency. IP66, AFCI, 4 strings of 16 A and up to 150% DC/AC. Robust solution for businesses and small industries.

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Specifications

Product Description

The Solis S5-GR3P20K Three-Phase 20kW On-Grid Solar Inverter is designed for larger three-phase installations seeking maximum energy and operational reliability. Its architecture with 2 MPPT and 4 strings supports high-amperage modules, while the 98.7% efficiency, wide MPPT operating range, and IP66 enclosure ensure sustained outdoor performance. AFCI protection and a comprehensive safety package enhance project peace of mind, and DC/AC oversizing up to 150% improves plant factor and annual production.

Main Features

Nominal AC power: 20 kW (≈22 kVA max.) in 3/N/PE 230/400 V, 50/60 Hz.
2 MPPT / 4 strings (2 per MPPT) to distribute two arrays with different orientations.
PV input up to 1100 V; MPPT range 160–1000 V; startup at 180 V.
16 A per string (admissible I_sc 20 A) for high-current TOPCon/HJT modules.
Max. efficiency 98.7%; European efficiency ~98.3%; THDi < 2%.
RS485 communication and Wi-Fi/GPRS option for SolisCloud monitoring and export control.

Advantages or Benefits

Maximum production on large surfaces and demanding load profiles.
Design flexibility with two independent MPPTs to optimize different roof sections.
Compatibility with modern panels of high current without limiting performance.
Silent and durable operation with convection cooling and IP66 rating.
Enhanced safety by AFCI, anti-islanding, and comprehensive electrical protections.

Purpose or Applications

Ideal for three-phase self-consumption of 20 kW in small industries, supermarkets, workshops, agricultural operations, and tertiary buildings. Suitable for projects with surplus compensation or export limitation, ensuring continuity and high efficiency.

Technical Specifications

Nominal / max. AC power	20 kW / ≈22 kVA
Grid	3/N/PE, 220/380–230/400 V; 50/60 Hz
Nominal output current	≈30.3 A (380 V) / ≈28.9 A (400 V)
MPPT / strings	2 / 4 (2 per MPPT)
PV oversizing	Up to 150% DC/AC
U_DC max. / MPPT range	1100 V / 160–1000 V
Startup voltage	180 V
I_string max. / I_sc	16 A / 20 A
Max. / EU efficiency	98.7% / ~98.3%
Power factor	>0.99 (0.8 cap…0.8 ind)
Communication	RS485; optional Wi-Fi / GPRS
Protections	AFCI, anti-islanding, overvoltage/overcurrent (requires activation)
Protection rating	IP66; convection cooling
Dimensions / weight	≈310 × 563 × 219 mm / ≈23–25 kg
Operating temperature	−25 … +60 °C; altitude ≤4000 m

Compatibilities

Integrable with Solis connectivity modules (Wi-Fi/GPRS), meters/relays via RS485, and export management devices for zero export. Compatible with high-power photovoltaic panels within the indicated electrical limits.

The Solis S5-GR3P20K Three-Phase 20kW On-Grid Solar Inverter is a professional solution that combines power, 98.7% efficiency, and IP66 safety for large three-phase self-consumption projects.