Fox ESS H3-125-Plus 125kW Three Phase Hybrid Inverter

The Fox ESS H3-125-Plus is a 125kW three-phase hybrid inverter for commercial solar and battery storage systems. It accepts up to 250kW of PV across 8 MPP trackers and connects high-voltage LFP batteries through three independent battery ports. Backup (EPS) output switches over in less than 10ms and supports 100% unbalanced three-phase output, with remote monitoring through the FoxCloud 2.0 app and web portal.

Key specifications

• Rated AC output: 125kVA (137.5kVA max.), 230/400V three phase, 50Hz
• Max. PV input power: 250kW
• MPP trackers: 8, 2 strings per tracker, 180 to 850V MPPT range, 40A max. per tracker
• Battery: 3 ports for LFP batteries, 180 to 950V, up to 240A charge/discharge (80A per port)
• Backup (EPS) output: 125kVA rated, 155kVA peak for 10 seconds, switching time less than 10ms
• Efficiency: 98.5% max., 98.1% European
• Protection: IP65, AFCI, Class II AC/DC surge protection
• Dimensions: 730 x 1060 x 305mm (W x H x D), weight 120kg
• Supplied with WiFi, meter and 3 x 600A:0.333V Rogowski coil CTs
• Warranty: 10 years standard (Fox ESS Australia inverter warranty policy)
• Compliant with AS/NZS 4777.2:2020, CEC approved
• Model: H3-125-Plus

Suits

Commercial and industrial solar and battery installations on a 230/400V three-phase supply, including systems built with Fox ESS CQ7 high-voltage battery stacks.

Dimensions and packing

730 x 1060 x 305 mm
120kg

Manufacturer SKU

H3-125-Plus