Description
The FoxESS S3300-G2 offers unparalleled efficiency and performance for residential solar applications. As part of the refined S Series (G2), this inverter is built to be both “Powerful and Flexible,” providing a reliable heart for your home’s energy system.
High-Yield Performance
Equipped with a wide MPPT voltage range of 50V to 480V, the S3300-G2 is designed to capture every available watt of solar energy. Its high 99.00% MPPT efficiency and 97.4% maximum efficiency place it at the top of its class, ensuring minimal energy loss during conversion.
Smart & Upgradeable Design
Future-proof your investment with a system that grows with you. The S3300-G2 is fully optimized for upgrade to the Fox range of battery storage systems, allowing you to easily add storage capabilities later. Stay connected with the advanced monitoring platform, which provides real-time performance data through a user-friendly mobile app or web portal.
Robust Reliability & Safety
Engineered to last, the unit is IP65 rated, making it suitable for both indoor and outdoor installations in various climates. It includes a comprehensive suite of protection features, including DC Reverse Polarity Protection, Surge Protection (Type II DC/AC), and AFCI protection to mitigate fire risks from electrical arcs.
Core Advantages:
- Silent Performance: Natural cooling concept ensures a typical noise emission of less than 30dB.
- Compact & Lightweight: Weighing only 5.4kg, it is easy to install in a variety of locations.
- Transformerless Topology: Modern design for higher efficiency and reduced weight.
Technical Specification TableÂ
| Technical Attribute | Specification |
| Model | S3300-G2 |
| Nominal AC Power | 3,300 W |
| Max. Apparent AC Power | 3,300 VA |
| Max. Recommended DC Power | 4,950 W |
| Max. DC Voltage | 500 V |
| MPPT Voltage Range | 50V – 480V |
| Start-up Voltage | 60 V |
| Number of MPP Trackers | 1 |
| Max. Efficiency | 97.40% |
| Dimensions (WxHxD) | 290 x 220 x 116 mm |
| Weight | 5.4 kg |
| Ingress Protection | IP65 |





Reviews
There are no reviews yet.