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Solis S5-GR3P15K Three-Phase 15kW On-Grid Solar Inverter

Modelo: S5-GR3P15K

Sku: SOLIINV018
Vendor: Solis

€990,15 EUR

€792,12 EUR

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Solis S5-GR3P15K Three-Phase 15kW On-Grid Solar Inverter with 2 MPPT and 98.7% efficiency. IP66, AFCI, 4 strings of 16 A and DC/AC oversizing up to 150%. Ideal for businesses and light industrial buildings.

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Specifications

Product Description

The Solis S5-GR3P15K Three-Phase 15kW On-Grid Solar Inverter is designed for three-phase installations that require high performance, robustness, and safety. With two MPPT trackers and four strings in total, it supports next-generation high-current modules and maximizes production thanks to a 98.7% efficiency. Its IP66 enclosure ensures outdoor reliability, and AFCI protection increases safety against electrical arcs. The unit allows up to 150% photovoltaic oversizing (DC/AC), improving the plant factor and the annual energy captured in commercial premises, workshops, and offices.

Main Features

Nominal AC power: 15 kW (≈16.5 kVA max.) at 3/N/PE 230/400 V, 50/60 Hz.
2 MPPT / 4 strings (2 per MPPT) to combine orientations and mitigate shading.
PV input up to 1100 V; wide MPPT range 160–1000 V; start-up voltage 180 V.
Current per string: 16 A (I_sc allowable 20 A), suitable for TOPCon/HJT.
Max. efficiency 98.7%; European efficiency ~98.3%; THDi < 2%.
Advanced safety: AFCI (activation required), anti-islanding, overvoltage/overcurrent.

Advantages or Benefits

More annual energy with high performance and up to 150% PV oversizing.
Flexible designs thanks to 2 MPPT/4 strings for different roof sections and conditions.
Compatibility with modern panels of high current (16 A) without bottlenecking.
Quick and silent installation: natural convection, MC4 connectors, and fast AC plug.
Simple monitoring via RS485 and optional Wi-Fi/GPRS modules (SolisCloud).

Purpose or Applications

Focused on three-phase self-consumption of 15 kW in commercial premises, light industrial buildings, farms, offices, and premium homes with high demand. Suitable for projects with export limitation or surplus compensation, ensuring electrical stability and safety.

Technical Specifications

Nominal / max. AC power	15 kW / ≈16.5 kVA
Grid	3/N/PE, 220/380–230/400 V; 50/60 Hz
Nominal output current	≈22.7 A (380 V) / ≈21.7 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
Start-up 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 (activation required)
Degree of protection	IP66; convection cooling
Dimensions / weight	≈310 × 563 × 219 mm / ≈22–24 kg
Operating temperature	−25 … +60 °C; altitude ≤4000 m

Compatibilities

Compatible with Solis connectivity modules (Wi-Fi/GPRS), meters/relays via RS485, and export control solutions (zero export). Supports conventional high-power photovoltaic panels within the indicated electrical limits.

The Solis S5-GR3P15K Three-Phase 15kW On-Grid Solar Inverter combines power, 98.7% efficiency, and IP66 for reliable and professional three-phase self-consumption.