Fox Ess 2500W Single Phase Single MPPT & Wifi & DC Switch

Item number: C00447

Guarantee: 10 years

The Fox ESS S2500 is part of the Fox S series, which offers a compact, reliable, and highly efficient solution for smaller residential solar systems.
The device has an MPPT input, providing a simple and cost-effective configuration for smaller PV systems.
With its outstanding efficiency and low start-up voltage, it achieves maximum energy production even in low sunlight conditions.

Main technical characteristics

• Nominal AC power: 2,500 W
• Maximum recommended DC power: 3,750 W
• Maximum AC apparent power: 2,750 VA
• Nominal mains voltage: 220 / 230 / 240 V (range: 180 – 260 V)
• Nominal frequency: 50/60 Hz
• Nominal AC current: 10.9 A
• Maximum AC current: 12.0 A
• Power factor: adjustable from 0.8 leading to 0.8 lagging
• Teljes harmonikus torzítás (THDi): < 3 %
  

PV input

• Number of MPPTs: 1
• Number of strings per MPPT: 1
• Maximum DC voltage: 550 V
• Nominal operating voltage: 360 V
• MPPT operating range: 50–550 V
• Starting voltage: 60 V
• Maximum input current: 12.5 A
• Short-circuit current: 15 A
  
  

Efficiency and performance

• Maximum efficiency: 97.4%
• European efficiency: 96.8%
• MPPT efficiency: 99.0%
• Topology: transformerless
• Éjszakai önfogyasztás: < 1 W
  
  

Security and protection features

• DC polarity protection
• Anti-islanding protection
• Insulation monitoring
• Residual current monitoring (RCM)
• AC short-circuit, overcurrent, and overvoltage protection
• Built-in DC switch
• Overvoltage protection (optional on DC side, built-in on AC side)
• Temperature protection against overheating
  
  

Communication and monitoring

• Display: LCD panel with touch buttons
• Communication: RS485, CT, DRM, measuring module
• Wireless connections (optional): Wi-Fi / LAN / GPRS module
• Supervision: real-time monitoring in the Fox ESS mobile app or web portal (FoxCloud platform)
  
  

Mechanical and environmental characteristics

• Dimensions (W×H×D): 334 × 350 × 115 mm
• Weight: 7.8 kg
• Cooling: natural convection
• Protection: IP65 (for outdoor/indoor installation)
• Zajszint: < 30 dB
• Operating temperature: –20 °C to +60 °C (power derating above 45 °C)
• Humidity: 0–100% (non-condensing)
• Maximum installation altitude: 3,000 m (derating > 2,000 m)
  
  

Certificates and standards

• Safety standards: IEC 62109-1 / 62109-2
• EMC compliance: IEC 61000-6-1, -6-2, -6-3
• Network standards: AS4777.2-2015 / G98 / G99 / EN50549-1 / CEI 0-21
• Overvoltage category: III (AC side), II (PV side)
  
  

Key benefits

• Compact and easy to install, weighing only 7.8 kg
• Outstanding efficiency of up to 97.4%
• Extremely low 60 V starting voltage – quick start even in low light conditions
• 99% MPPT accuracy for optimal energy production
• IP65 protection, also suitable for outdoor applications
• Real-time remote monitoring via mobile and web
• Reliable protection and built-in DC switch for safety