Fox ESS H3 Smart: Three-Phase Hybrid Inverter (5-15kW)

Overview

The Fox ESS H3 Smart is a three-phase hybrid inverter covering 5kW to 15kW. It’s built around high-voltage LFP batteries for strong round-trip efficiency, and suits larger homes and small commercial sites with substantial solar and storage needs. PV and battery are handled in one unit, with up to 15kW charge/discharge in an IP65-rated, outdoor-suitable enclosure.

Key Features

• High-voltage battery compatibility: Works with Fox ESS high-voltage LFP batteries (100-800V) for maximum round-trip efficiency.
• High power: Up to 15kW charge/discharge, with up to 50A battery charge and discharge current.
• Triple MPPT: Three independent trackers with up to 10,000W each, suiting roofs with multiple orientations.
• Easy installation: Flexible configuration, plug-and-play set-up and built-in fuse protection.
• IP65 rated: Suitable for outdoor installation, with an operating range of -25°C to +60°C (derating above +45°C). Natural cooling up to 10kW, fan cooling on the 12kW and 15kW models.
• Remote monitoring: FoxCloud V2.0 via smartphone app or web portal.
• Backup (EPS) output: Switchover in under 10ms, with a 60-second peak output of up to 16kVA.
• Built-in safety: PV and battery reverse polarity protection, anti-islanding, output short and leakage current protection, insulation resistance detection, overcurrent and overtemperature protection, Type II PV/AC surge protection, and DC switch. AFCI is optional.