m. Сміла, Незалежності, 67г. оф, 406/6
FOX ESS P3-Pro-20.0 - three-phase hybrid inverter 20 kW.
Description FOX ESS P3-Pro-20.0
FOX ESS P3-Pro-20.0 is a three-phase hybrid inverter rated at 20 kW, the entry model in the commercial Pro series. Three MPPT inputs, a high-voltage LiFePO₄ battery in the 150–800 V range, three CAN channels, generator support. Efficiency 97.8%, nominal output current 28.9 A per phase. Smart air cooling, IP65, 5-year warranty.
Twenty kilowatts: moving into the commercial class
The Pro series begins precisely where the domestic SH segment ends. Twenty kilowatts is already the language of small business: a medium-sized shop, a small workshop, a café or bakery with refrigeration and baking equipment.
Three MPPT inputs allow the array to be split into several independent groups — a typical need for commercial premises, whose roof is rarely uniform due to ventilation equipment, signage structures or extensions.
Compared with the domestic SH series, this is a different weight category quite literally: 52.5 kilograms against 34 in the smaller models. This is a unit designed for continuous industrial operation rather than occasional domestic load.
Technical specifications
rated power 20 kW, three phases 380/400 V;
three MPPT inputs, tracking efficiency above 99%;
MPP range 230–850 V, maximum input voltage 1000 V;
high-voltage LiFePO₄ battery, range 150–800 V;
BMS communication: three CAN channels;
efficiency 97.8% peak, 97.2% European weighted;
output current 28.9 A nominal, 31.8 A maximum;
generator support, THD below 3%;
smart air cooling, IP65, -25 to +60 °C;
mass 52.5 kg, 5-year warranty.
Smart air cooling for continuous operation
Fans switch on according to real thermal demand rather than running continuously — extending the life of moving parts in a unit operating daily through a business's entire working cycle, not just at peak hours.
For a commercial site this means predictable behaviour on hot summer days, when refrigeration equipment, air conditioning and sales-floor lighting all run at the same time.
Battery and generator for business
A 150–800 volt range and three independent CAN channels allow several battery stacks to be connected at once — for a growing business this means the option to start with the minimum capacity needed and expand gradually.
Generator support is critical specifically for commerce: a prolonged outage without backup means direct losses from stopped sales or spoiled stock, and the generator starts automatically as the battery depletes.
Control and integration
The FoxCloud app shows generation from each of the three MPPT inputs, battery state and current site consumption. Modbus TCP and RTU allow the inverter to be integrated with the business's energy metering system.
Generation and consumption history over any period lets the business owner calculate real savings on bills and plan further system expansion based on actual figures rather than forecasts.
Twenty kilowatts is the entry into the commercial class of hybrid systems for small business. Write to us about your site and critical equipment: we will calculate the battery and check the phase load balance.
Characteristics FOX ESS P3-Pro-20.0
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