About This Product

The GoodWe 9.9kW Single Phase MS G3 SERIES Solar Inverter Three MPPT IP65 With Inbuilt DC Switch And Wifi is a grid-tie solar inverter designed for residential use. It converts the DC power generated by your solar panels into AC power for household consumption or export to the grid. This model belongs to the MS G3 series and provides three MPPT inputs, an integrated DC switch, IP65-rated weather protection, and built-in WiFi monitoring ‘ combining robust hardware with modern connectivity for reliable everyday solar operation.

Who This Product Suits

This inverter is well suited to homeowners installing a medium-to-large rooftop solar array (roughly 8’12 kW of panels) on a single-phase supply; particularly where the roof has multiple orientations or array strings, since the three MPPT inputs help optimise energy harvest. It also suits those wanting a tidy installation with inbuilt safety gear (DC switch, weather-rated enclosure) and easy remote monitoring via WiFi. If you value efficient use of high-power panels and want a no-frills, installer-friendly inverter for an Australian home, this model is a good fit.

Specifications Explained

• Three MPPT inputs: Supports three separate strings ‘ ideal for complex roofs or multiple orientations, ensuring each string is tracked for maximum output even under partial shade or varied panel direction. ‘cite’turn0search4’turn0search9’
• Low start-up voltage (50 V): Allows the inverter to begin converting energy earlier in the morning and continue later in the evening, improving daily energy yield. ‘cite’turn0search4’turn0search10’
• Up to 20 A DC input per MPPT: Compatible with high-power solar modules, making efficient use of their output and lowering overall levelised cost of energy (LCOE). ‘cite’turn0search4’turn0search9’
• Inbuilt DC switch & IP65-rated enclosure: Simplifies installation and maintenance while protecting the unit against dust and water ingress ‘ suitable for typical Australian outdoor installations. ‘cite’turn0search1’turn0search9’
• WiFi monitoring built-in: Enables real-time system monitoring and easier performance tracking without the need for extra communication hardware. ‘cite’turn0search10’turn0search9’
• Optional safety enhancements: Supports optional Arc-Fault Circuit Interrupter (AFCI), surge protection (SPD) and PID-recovery (where required), adding durability and safeguarding against electrical faults or panel degradation. ‘cite’turn0search4’turn0search9’

Summary

The GoodWe 9.9kW Single Phase MS G3 SERIES Solar Inverter Three MPPT IP65 With Inbuilt DC Switch And Wifi is a practical, installer-friendly inverter for residential solar systems with single-phase power. It balances flexibility and performance ‘ three MPPT inputs for complex roof layouts, low-voltage start-up for more generation hours, robust input current tolerance for modern high-power modules, all in a weather-resistant package with built-in DC switch and WiFi monitoring. If you’re building a mid-to-large rooftop solar system and want a dependable, straightforward inverter that covers essential safety and monitoring features without unnecessary complexity, this GoodWe unit delivers around what you need.

Further Information From The Manufacturer

The GoodWe 9.9kW Single Phase MS G3 SERIES Solar Inverter Three MPPT IP65 With Inbuilt DC Switch And Wifi by GoodWe is a powerful and versatile solution for residential buildings, boasting 3 MPPTs for various complex rooftops, leading to high power efficiency. The GoodWe GW9900-MS-30 has an ultralow 50V startup voltage, allowing inverters to kick in earlier during the day and presenting more power generation. It supports up to 20A DC max. input current per MPPT, making it ideal for high-power modules, and presents lower LCOE. The inverter also takes safety measures, including optional Arc-Fault Circuit Interrupter (AFCI) and Type III Surge Protection Device (SPD) on both DC & AC sides to protect the system from electrical fire and lightning hazards in extreme environments.

Key Features

• High Power Efficiency: 3 MPPTs for various complex rooftops
• Ultralow Startup Voltage: 50V startup voltage for earlier power generation
• High DC Input Current: Up to 20A DC max. input current per MPPT
• Safety Measures: Optional Arc-Fault Circuit Interrupter (AFCI) and Type III Surge Protection Device (SPD) on both DC & AC sides
• Smart Load Control: Smart load control with dry contacts
• Load Consumption Monitoring: 24-hour load consumption monitoring

Main Benefits

• High Power Generation: Up to 20A max. DC input current per string
• Improved Safety: Optional PID recovery function and rapid shutdown
• Reliability: IP65 ingress protection and fanless cooling for quiet operation
• Easy Maintenance: Software updates via USB
• Convenience: Wi-Fi monitoring for easy monitoring and control

Weights & Measurements Information

About GoodWe

GoodWe is a global inverter and energy-storage manufacturer supplying residential, commercial and utility-scale markets. The company has been active in Australia since 2012 and offers a broad range of grid-connected and hybrid solutions backed by ongoing product development.

GoodWe maintains local support channels, training programs and CEC-approved products, supported by a structured monitoring platform and clear technical documentation. This combination makes the brand a practical choice for professional solar and storage installers looking for a balance of functionality, reliability and support.