SolarEdge Home Backup Interface BI-EUSGN-03

SolarEdge Home Backup Interface BI-EUSGN-03

The SolarEdge Home Backup Interface (BI-EUSGN-03) enables flexible whole-home or selected-load backup with fast switchover, an integrated auto-transformer for phase imbalance support, and a built-in PCS-certified energy meter. It supports up to three SolarEdge inverters and a generator input with 2-wire start to streamline resilient residential microgrids.

Key Benefits

Service-Entrance Ready: 200A Microgrid Interconnection Device with integrated main capability for BI-E models.

Fast Transfer: <100 ms grid-to-backup switchover to keep critical loads powered.

Scalable Power: Accepts up to three inverters (11.4 kW max per unit) for higher backup capacity.

Smarter Balance: Built-in auto-transformer provides up to 5 kW split-phase imbalance compensation.

Generator Integration: 22.5 kW generator input with 2-wire start and dry-contact control.

Special Technology

Integrated Metering: PCS-certified energy meter (-03) enables Busbar Current Management and accurate import/export monitoring.

SE Ecosystem: Seamless operation with SolarEdge Home Hub and StorEdge inverters; RS485 communications.

Warranty

12-Year Manufacturer Warranty.

Best Uses

Whole-Home or Critical-Load Backup: Configure for the entire home or selected loads.

PV + Storage + Generator Hybrids: Coordinate multiple sources for extended outages.

Retrofits & New Installs: Clean interconnection for new builds or upgrades.