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Solis S5-GC33K Three-Phase 33kW On-Grid Solar Inverter

Modelo: S5-GC33K

Sku: SOLIINV022
Vendor: Solis

€2.060,31 EUR

€1.648,25 EUR

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Solis S5-GC33K Three-phase 33kW On-Grid Solar Inverter with 3 MPPT, 98.7% efficiency, IP66 and string monitoring with I-V scanning. Accepts 16 A per string and up to 150% DC/AC for large commercial rooftops.

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Specifications

Product Description

The Solis S5-GC33K Three-Phase 33kW On-Grid Solar Inverter is designed for commercial and industrial projects that require maximum output with advanced operational control. Its architecture with three independent MPPT (six strings in total) allows for the combination of various orientations or zones with different irradiance without sacrificing performance. With a maximum efficiency of 98.7%, IP66 chassis, and intelligent forced ventilation, the unit ensures reliability and availability in demanding outdoor environments, maintaining stable operation throughout the year. The power electronics support photovoltaic oversizing up to 150% DC/AC and high module currents, making it ideal for latest-generation TOPCon/HJT panels.

Main Features

3 MPPT / 6 strings for complex designs with multiple roof sections or partial shading.
Max. efficiency 98.7% (EU ≈98.3%) and THDi < 3% for clean energy to the grid.
MPPT range 200–1000 V, start-up voltage 180 V, and max U_DC 1100 V for long strings.
16 A per string (admissible I_sc 20 A) and 32 A per MPPT: ready for high-current modules.
String monitoring and I-V curve scanning for diagnostics and proactive O&M.
Compatibility with PID recovery (optional) and export control (zero feed-in).

Advantages or Benefits

Higher annual production thanks to the combination of high efficiency, three MPPT, and oversizing capability.
Smart O&M: early detection of losses due to soiling, PID, string faults, or permanent shading via I-V curve scan.
Design flexibility for complex roofs and carports, reducing mismatches and orientation losses.
Enhanced safety with AFCI, Type II SPD on DC/AC, anti-islanding, and thermal monitoring.
Professional installation with MC4 connectors on DC, OT terminals on AC, and guided commissioning from the LCD.

Purpose or Applications

Optimal solution for three-phase 33 kW self-consumption in industrial warehouses, supermarkets, agribusiness, logistics, and office buildings. Enables compliance with feed-in limitation regulations, improves plant factor, and increases return on investment thanks to its high availability and monitoring tools.

Technical Specifications

Nominal output power	33 kW
Apparent power / max. output	36.3 kVA / 36.3 kW
Grid	3/N/PE, 220/380 or 230/400 V; 50/60 Hz
Nominal / max. output current	≈50 / 55 A (depending on voltage)
MPPT / Strings	3 / 6
Max U_DC / MPPT range / Start-up	1100 V / 200–1000 V / 180 V
Max I_MPPT / Max I_string	32 A per MPPT / 16 A per string (I_sc 20 A)
PV oversizing	Up to 150% (DC/AC)
Max. efficiency / EU	98.7% / ≈98.3%
Communications	RS485; optional Wi-Fi/GPRS; SolisCloud; LCD
Protections	AFCI, Type II SPD DC/AC, anti-islanding, overcurrent/overvoltage (requires activation)
IP rating / Cooling	IP66 / Intelligent redundant fan
Dimensions / weight	647 × 629 × 252 mm / ≈38–40 kg
Temperature / Altitude	−25…+60 °C / ≤4000 m

Compatibilities

Integrates Solis connectivity modules (Wi-Fi/GPRS), meters and relays via RS485, and export control solutions. Supports high-power photovoltaic modules within electrical limits.

The Solis S5-GC33K Three-Phase 33kW On-Grid Solar Inverter offers power, 98.7% efficiency, and advanced diagnostics to maximize performance on large commercial and industrial rooftops.