Solis S6-GR1P 4K Single-Phase Grid-Tied Inverter

The Solis S6-GR1P 4K is a single-phase grid-tied inverter designed for residential solar installations. It features two MPPT inputs and supports a maximum of 2 strings, delivering a rated AC output power of 4 kW and supporting a maximum recommended PV array size of 6 kW. The inverter achieves a maximum efficiency of 97.7% and includes integrated arc-fault circuit interrupter (AFCI) protection to reduce fire risk.

Key specifications include a maximum DC input voltage of 600 V, a rated AC grid voltage of 220/230 V (1/N/PE), and a maximum output current of 21 A. The inverter operates with an MPPT voltage range of 90–520 V and features super-high-frequency switching technology, a wide input voltage range, and a low startup voltage of 120 V. It includes an integrated Export Power Manager (EPM) for flexible grid interaction.

The unit is compact and lightweight, weighing 12 kg and measuring 310 × 543 × 160 mm. Protection features include DC reverse-polarity protection, short-circuit protection, output overcurrent protection, surge protection, grid monitoring, anti-islanding protection, and temperature protection. Communication options include RS485, with optional Wi-Fi, LAN, and GPRS modules. The inverter comes with a 10-year manufacturer's warranty.