Fox ESS V3-30.0 30kW Three Phase Solar Inverter

Fox ESS V3-30.0: The Commercial-Grade Inverter for High-Yield Three-Phase Systems

Engineered for commercial and large-scale residential solar arrays, the Fox ESS V3-30.0 inverter is a powerhouse of efficiency and safety. Designed with dual MPPT trackers and packed with real-time performance analytics, it offers optimised energy conversion, flexible design options, and robust protection , even in harsh UK conditions.

Maximise Energy Harvest with High Efficiency

With a maximum efficiency of 98.7%, the V3-30.0 ensures that your solar array delivers exceptional output, especially during peak generation hours. According to the datasheet, it operates across a wide voltage range from 200V to 1000V, with a full-load MPPT window between 550V and 800V , perfect for maintaining performance throughout changing conditions.

• Dual MPPT trackers supporting up to 2 strings each
• Max DC input power of 33kW and input voltage up to 1100V
• Euro-efficiency of 98.1% for consistent performance

Resilient Build for Harsh Outdoor Installations

Built for the British climate, this unit is IP66 rated and tested to operate in temperatures ranging from -30°C to 60°C. Whether it's installed on a commercial rooftop or in an agricultural setting, it ensures reliability year-round.

• IP66 weatherproof enclosure
• Smart air cooling ensures heat regulation under load
• Anti-corrosion C5-rated build ideal for coastal or industrial zones

Intelligent Monitoring & String-Level Protection

The V3-30.0 features integrated PV string current monitoring with fault analysis and abnormal condition reporting. Its built-in arc fault protection (AFCI) provides an additional safety layer, helping prevent electrical fires before they happen.

• Real-time string monitoring and diagnostic alerts
• Integrated AFCI for safe shutdown during arc detection
• Optional PID recovery to boost long-term panel performance

Built-in Protections and Extended Warranty Support

Fox ESS integrates multiple layers of electrical protection into the V3-30.0 inverter, including DC reverse polarity protection, AC overcurrent safeguards, and residual current monitoring. This ensures stable, long-term operation in demanding commercial environments. According to the datasheet, the unit also comes with grid compliance certification (EN50549-1), making it suitable for a wide range of UK installations.

• Comprehensive protection suite with AFCI, PID recovery, and surge protection
• Certified for UK grid standards and safety compliance
• Supported by a manufacturer-backed warranty for peace of mind

Why Evergy Recommends This Product

We recommend the V3-30.0 to installers and commercial clients looking for a scalable, high-performance inverter that’s built for durability and safety. It’s a particularly strong fit for projects seeking high daily yield and detailed performance reporting.

• Top-tier efficiency with a low-maintenance design
• Ideal for warehouses, offices, agricultural buildings, and larger homes
• Seamless compatibility with our solar battery and panel ranges

Perfect for Medium to Large Solar Installations

The V3-30.0 is best suited to commercial premises or high-consumption residential buildings with access to a three-phase grid. It allows installers to design systems with more strings and broader layout flexibility.

Key Technical Specifications

• Rated Power Output: 30kW three-phase
• Max Efficiency: 98.7%
• Dimensions: 640 × 430 × 243 mm
• Weight: 42 kg

See the specification tab or datasheet for full technical details.

Looking to Build the Full System?

Pair this inverter with our high-efficiency solar panels, rugged mounting systems, and advanced optimisers and monitoring tools for a complete, high-yield installation. You can also explore solar battery options to store excess energy and reduce grid reliance.

FAQs

Q: Can this inverter be installed outdoors?
A: Yes – it has an IP66 rating and is designed for tough environmental conditions.

Q: Does it support battery storage?
A: While this model does not include direct hybrid battery support, it pairs well with AC-coupled battery solutions. Speak to Evergy for system design advice.