Solis S6 20kW Repower Solar Inverter - 3 Phase with DC

The Solis S6 20kW Three Phase Repower Solar Inverter - S6-GC3P20K04-NV-ND-R is a commercial string inverter designed specifically for repowering and upgrading existing solar PV installations. Its flexible electrical design helps installers replace older inverters while retaining existing PV arrays, cabling and system infrastructure wherever suitable.

With 20kW rated output, four independent MPPTs and eight string inputs, the inverter provides excellent flexibility across larger and more complex commercial arrays. It supports up to 30kW recommended PV power and offers a maximum efficiency of 98.6%.

Key Features

• 20kW three-phase grid-tied solar inverter
• Designed for commercial PV repowering and inverter replacement projects
• 4 independent MPPTs and 8 string inputs
• Up to 30kW recommended PV input power
• 1100V maximum DC input voltage
• 98.6% maximum efficiency
• Dual independent RS485 ports for flexible communications
• String monitoring and I/V curve scanning for system diagnostics
• Integrated DC switch and Type II AC/DC surge protection
• IP66 rated with C5 anti-corrosion protection
• Bluetooth and app monitoring with optional Wi-Fi or GPRS connectivity

Purpose-Built for Solar Repowering

The S6-GC3P20K04-NV-ND-R is particularly useful when an ageing or failed commercial inverter needs replacing without unnecessarily rebuilding the entire PV system. Its wide MPPT operating range and flexible string configuration make it easier to accommodate existing solar arrays.

For commercial rooftops, farms, workshops and other three-phase PV installations, the Solis S6 20kW Repower provides a modern, efficient replacement platform with advanced monitoring and robust protection.