Solis 40kW Three Phase Grid-Tied PV String Inverter S6-GC40K-US-APST

The Solis S6-GC40K-US-APST is a 40 kW three-phase grid-tied string inverter engineered for commercial and light-industrial solar PV systems. Built on Solis’ sixth-generation platform, it delivers high power density, flexible string design, and integrated safety features to meet modern NEC requirements and utility interconnection standards.

Designed to support today’s high-wattage modules and complex array layouts, this inverter is a reliable choice for medium-scale rooftop and ground-mounted commercial installations.

Key Benefits

40 kW Commercial Output
Provides 40,000 W of rated AC output power for three-phase commercial solar applications.

Three-Phase Grid-Tied Design
Optimized for commercial electrical services where balanced three-phase power is required.

Advanced MPPT Architecture
Multiple MPPTs enable flexible string configurations and improved energy harvest across varying roof planes and shading conditions.

High Efficiency Performance
Sixth-generation power electronics deliver strong conversion efficiency and consistent production.

Integrated Rapid Shutdown Support (APST)
Built-in APS transmitter support simplifies NEC rapid shutdown compliance for commercial systems.

Modern Monitoring & Communications
Supports real-time monitoring, diagnostics, and fleet management through compatible Solis communication accessories.

Applications

• Commercial rooftop solar installations

• Light industrial facilities

• Warehouses and logistics centers

• Schools, offices, and municipal buildings

• Ground-mounted commercial PV arrays

Warranty

Standard Manufacturer Warranty: 10 years

Product Specifications