
FOX ESS - P3-125-Plus Inverter
Réf. POwR : OND0936
10-year manufacturer's warranty
Technical specifications
- Three-phase
- Power: 137.5 KVA
- Number of MPPTs: 8
- Number of inputs / MPPT: 2
- Dimensions: (LxWxH) 730 x 1060 x 305 mm
- Access online support for the installation and commissioning of Fox ESS products here.
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Description
The Fox ESS P3-125-Plus hybrid inverter is designed for very high-capacity professional photovoltaic installations , delivering 125 kW of three-phase power. This model is ideal for the most demanding industrial, commercial, and agricultural projects, where optimized management of solar energy and battery storage is essential. Compatible with high-voltage LFP (LiFePO₄) batteries, it guarantees maximum energy efficiency in both production and storage.
The device incorporates eight independent MPPTs , enabling precise adaptation to even the most complex solar panel configurations. With a DC voltage range of 180 to 950 V, it is ideal for very large-scale installations. IP65 protection and an extended temperature range (-30°C to +60°C) ensure resistance to the harshest environmental conditions. Remote monitoring via the FoxCloud V2.0 platform allows for optimal management and simplified maintenance.
KEY POINTS FOR PROFESSIONALS
Rated AC power: 125,000 W , expandable up to 137,500 VA peak.
8 MPPTs with 2 inputs per tracker , offering maximum flexibility and fine optimization of each PV chain.
Compatible with high-voltage LFP batteries, for efficient energy storage and release.
Maximum efficiency of 98.2% and European efficiency of 97.6%, ensuring high energy efficiency.
Comprehensive protections: overvoltage protection, reverse current protection, 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 , ensuring the longevity of the investment.
RECOMMENDED APPLICATIONS
Very large-scale industrial and commercial projects requiring advanced energy management and increased robustness.
Power plants at Ground or shade structures that enhance bifaciality and optimize self-consumption.
Suitable for sites subjected to extreme weather conditions, thanks to IP65 certification and a wide temperature range.
Installations requiring reliable backup power and seamless integration with existing storage systems.
ADDED VALUE POWR CONNECT
PowR Connect Fox ESS P3-125-Plus offers the inverter with immediate stock availability, fast delivery, and technical support for PV string sizing and storage optimization. Our expertise with installers and developers guarantees seamless integration for the most demanding projects in terms of performance, durability, and regulatory compliance. We also offer 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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