
FOX ESS - P3-50-Plus Inverter
Réf. POwR : OND0933
10-year manufacturer's warranty
Technical specifications
- Three-phase
- Power: 55 KVA
- Number of MPPTs: 4
- Number of inputs / MPPT: 2
- Dimensions: (LxWxH) 730x1060x305mm
- Access online support for the installation and commissioning of Fox ESS products here.
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Description
The Fox ESS P3-50-Plus hybrid inverter is designed for large-scale professional photovoltaic installations, offering a three-phase power output of 50 kW . This model is suitable for commercial, industrial, and agricultural projects where energy demand is high and an integrated storage solution is required. Thanks to its compatibility with high-voltage LFP (LiFePO₄) batteries, it ensures optimal energy efficiency in both day and night modes.
The device incorporates four independent MPPTs , allowing for precise adaptation to various solar panel configurations. Its DC voltage range makes it suitable for high-capacity installations. IP65 protection and an extended temperature range (-30°C to +60°C) ensure resistance to harsh environmental conditions. Remote monitoring via the FoxCloud V2.0 platform enables optimized management and simplified maintenance.
KEY POINTS FOR PROFESSIONALS
Rated AC power: 50,000 W , expandable up to 55,000 VA peak.
4 MPPTs with 2 inputs per tracker , for maximum installation flexibility.
Compatible with high-voltage LFP batteries, ensuring efficient storage and retrieval.
Maximum efficiency of 98.2% and European efficiency of 97.6% , guaranteeing optimal energy performance.
Complete protection: anti-surge, anti-reverse current, arc flash detection (AFCI), and compliance with international standards.
Simplified installation : plug-and-play setup, intelligent air cooling, and color LCD screen for local monitoring.
EPS function with switching time less than 10 ms, ensuring extended backup power supply (more than 6 hours).
Remote monitoring via Wi-Fi, LAN, 4G (optional), and FoxCloud platform .
Manufacturer's warranty: 10 years, reinforcing confidence in the product's durability.
RECOMMENDED APPLICATIONS
Commercial and industrial projects requiring advanced energy management and mechanical robustness.
Power plants at Ground or shade structures that enhance bifaciality and optimize self-consumption.
Sites exposed to harsh climatic conditions, thanks to IP65 certification and extended temperature range.
Installations requiring reliable backup power and easy integration with existing storage systems.
ADDED VALUE POWR CONNECT
PowR Connect Fox ESS P3-50-Plus offers the inverter with in-stock availability, fast delivery, and technical support for PV string sizing and storage optimization. Our expertise with installers and developers ensures seamless integration for projects subject to performance, sustainability, and regulatory compliance criteria. We also provide access to the Fox ESS account creation form linked to PowR Line , as well as online support for installation and commissioning.
Documents to download
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FOX ESS
A new partner for POwR Connect
Fox ESS is a global supplier of Solar inverters and battery solutions, renowned for its innovative and high-performance technologies. Designed by global experts in inverters and batteries, Fox ESS products offer advanced features and unparalleled reliability.

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