
Double-MPPT String Inverter for 600 Vdc System
The Sungrow SG3.0/5.0RS is a strong contender for Australian homeowners seeking a reliable and efficient solar string inverter. Its high performance, durability, smart features, and ease of installation make it a compelling option for powering your home with solar energy.

Key features of the Sungrow SG3.0/5.0RS String Inverter
- Double MPPT (Maximum Power Point Tracking): This key feature allows the inverter to independently optimise power generation from two solar panel strings. This is particularly beneficial for roofs with uneven shading or different panel orientations.
- High efficiency: Sungrow boasts a maximum efficiency of 98.6%, ensuring you get the most out of your solar panels.
- Wide DC input voltage range: The inverter can handle a wider range of input voltage from the solar panels, maximising power generation even in less-than-ideal conditions.
- Smart monitoring: The SG3.0/5.0RS offers real-time data monitoring through Sungrow’s iSolarCloud platform. This lets you track your system’s performance, identify issues, and optimise energy production.
- Easy installation: The compact and lightweight design simplifies installation for solar installers.
- Durability: The SG3.0/5.0RS is built with robust materials and boasts a C5 corrosion protection rating, making it suitable for harsh Australian weather conditions.
- Safety features: Arc fault circuit interruption and integrated surge protection ensure your system’s and home’s safety.
Specifications of the Sungrow SG3.0/5.0RS String Inverter
- Model variants: SG3.0RS | SG5.0RS
- Maximum AC power output: 3kW | 5kW
- Maximum AC output current: 13.7 A | 21.7 A
- Maximum DC input voltage: 600V
- MPPT Inputs: 2
- Dimensions (W x H x D): 410* 270* 150mm
- Weight: 10 kg
Sungrow SG3.0/5.0RS String Inverter warranty
Sungrow offers a competitive 10-year standard warranty on the SG3.0/5.0RS, providing peace of mind for your investment.
Applications for the Sungrow SG3.0/5.0RS String Inverter
- This inverter is ideal for residential solar power systems with capacities between 3kW and 5kW.
- It suits homeowners looking for a reliable and efficient inverter for grid-connected solar setups.
- Due to its compact design can be a good fit for locations with limited space for inverter installation.
Pros of the Sungrow SG3.0/5.0RS String Inverter
- High efficiency: The SG3.0/5.0RS boasts an advanced MPPT algorithm that maximises energy conversion, generating greater clean energy.
- Easy installation: This inverter is compact and lightweight, making installation a breeze for qualified solar technicians in various settings.
- Smart grid integration: Seamless integration with the grid ensures optimal performance and compliance with local regulations.
- Wide compatibility: The inverter works smoothly with third-party monitoring systems and smart home solutions, offering homeowners flexibility.
- Reliable performance: Sungrow is a reputable brand known for its quality and reliability, giving you peace of mind.
- Durable design: The SG3.0/5.0RS is built to last, with features like surge protection and a corrosion-resistant rating for harsh Australian conditions.
Cons of the Sungrow SG3.0/5.0RS String Inverter
- No battery backup compatibility: This inverter doesn’t support battery storage integration, limiting its functionality for those seeking a complete solar power backup system.
- Lacks advanced monitoring features: While it offers basic monitoring, some users prefer inverters with more in-depth data analysis and performance tracking.
Is the Sungrow SG3.0/5.0RS String Inverter right for you?
This inverter is a great choice for Australian households looking for a high-performing, reliable, and future-proof solution. Here’s a quick guide:
- Ideal for: Homes with a solar panel system size compatible with the 3kW or 5kW capacity.
- Well-suited for: Regions with high heat and potential for uneven sunlight patterns.
- Consider alternatives if: You need a higher output capacity or a three-phase inverter for larger systems.
Learn more about Sungrow Solar Inverters and Battery Storage.