The Sungrow SG4.0RS is a high-performance single-phase grid-connected inverter optimized for residential solar systems. It provides a balance of high energy yield, compact design, and advanced safety monitoring to ensure a reliable return on investment for homeowners.

Key Features

• Optimized Energy Yield: Supports a high DC/AC ratio and is fully compatible with high-power and bifacial solar modules. The 40V low startup voltage allows the system to begin generating power earlier in the morning and continue later into the evening.
• Comprehensive Safety: Features an integrated Arc Fault Circuit Interrupter (AFCI) to mitigate fire risks and built-in Type II DC and AC Surge Protection Devices (SPD). The IP65-rated housing ensures durability against dust and water ingress.
• Simplified Installation: The lightweight and compact design allows for a one-person installation. The plug-and-play connectors reduce setup time and complexity during commissioning.
• Intelligent Monitoring: Provides real-time data tracking through the iSolarCloud platform. Users can access remote maintenance tools, such as IV curve diagnosis and firmware updates, without needing an on-site technician.
• Enhanced Module Longevity: The built-in PID recovery function restores module performance by neutralizing potential induced degradation, extending the effective lifespan of the solar panels.