Fox Ess P3-Pro-25.0

Item number: C00615

Guarantee: 10 years

The Fox ESS P3-Pro-25.0 is Fox's latest generation three-phase hybrid inverter, developed for high-performance solar and energy storage systems.
The P3-Pro series is Fox ESS's flagship product: with dual battery inputs, 99.9% MPPT efficiency, and up to 30 kW charging/discharging capacity, it offers maximum flexibility for commercial and industrial applications.

Main features

• Nominal AC power: 25,000 VA
• Maximum apparent AC power: 30,000 VA
• Maximum PV power: 50,000 W
• Recommended DC power: 42,000 W
• Maximum DC voltage: 1,000 V
• Nominal DC operating voltage: 700 V
• MPP voltage range: 280 – 850 V
• MPP voltage range (at full load): 270 – 790 V
• Number of MPP followers: 3
• Number of strings per MPPT: 2
• Maximum input current per MPPT: 53 A
• Short-circuit current per MPPT: 63 A
• Starting voltage: 280 V
  

Batteries and energy storage

• Battery type: Lithium-ion (LiFePO₄)
• Battery voltage range: 150–800 V
• Voltage required for full load: 750 V
• Maximum charging/discharging current: 50 A + 50 A
• Number of battery inputs: 2
• Communication interface: CAN
• Maximum charging/discharging power: 30 kW
  
  

AC page

• Nominal mains voltage: 400/230 V or 380/220 V (3L/N/PE)
  Nominal mains frequency: 50 / 60 Hz (±5%)
• Nominal AC current per phase: 37.9 A
• Maximum AC current per phase: 41.7 A
• Power factor: 0.8 – 1.0 (adjustable in leading/lagging direction)
• THDI: <3% névleges teljesítménynél
• Parallel operation: supported, up to 10 units can be connected
  
  

Efficiency and performance

• Maximum inverter efficiency: 97.1%
• European efficiency: 96.6%
• MPPT efficiency: 99.9%
• PV → AC efficiency: 98.1%
• Battery → AC efficiency: 97.1%
  
  

EPS (emergency power supply) function

• EPS nominal power: 25,000 VA
• Peak power (60 s): 27,500 VA
• EPS output voltage: 400/230 V, 50/60 Hz
• Maximum EPS current per phase: 37.9 A
• Switching time during network outage: ≤10 ms
• THDV: <10%
  
  

Protection functions

• PV and battery reverse polarity protection
• Anti-islanding protection
• Output short-circuit, overcurrent, and temperature protection
• Ground fault and insulation fault detection
• Surge protection: Type II (AC and DC sides)
• AFCI protection: optional
• Built-in DC switch
• String monitoring function
  
  

Communication and intelligent control

• Interfaces: RS485, CAN, Ethernet, WiFi, 4G (optional), USB, DRM, BMS
• Monitoring: FoxCloud V2.0 (web and mobile application)
• Control interface: capacitive touch buttons
• Audible signal: built-in buzzer
• Smart energy management: dynamic power control, export limitation
  
  

Environmental and physical characteristics

• Protection: IP65 (suitable for outdoor use)
• Cooling: Smart Fan Cooling
• Zajszint: <55 dB
• Operating temperature: -25 °C to +60 °C (derating above 45 °C)
• Storage temperature: -40 °C to +70 °C
• Relative humidity: 0–95%, non-condensing
• Installation altitude: ≤4000 m
• Protection class: I
• Design: wall-mounted, compact design
• Dimensions: 600 × 560 × 225 mm
• Weight: 57.5 kg
  
  

Certificates and standards

• Safety standards: EN 62109-1, EN 62109-2
• EMC standards: IEC 61000-6-2, IEC 61000-6-3
• Protection category: III (AC side), II (DC side)
• CE certification: yes
  
  

Key benefits

• Three MPPT inputs, each with 15 kW PV power
• Dual battery input with up to 30 kW charging/discharging capacity
• Advanced communication and remote monitoring capabilities
• Excellent 99.9% MPPT accuracy and 97.1% inverter efficiency
• Built-in EPS function for continuous power supply
• IP65 protection, suitable for outdoor use
• Plug-and-play installation, quick commissioning
• Compatible with Fox ESS high-voltage battery series