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. Specifications Table table { width: 100%; border-collapse: collapse; font-size: 15px; } th, td { border: 1px solid #ccc; padding: 8px; text-align: left; } th { background-color: #f4f4f4; } Specification Data Model BI-EUSGN-03 (Backup Interface, North America) Type Service-entrance backup interface with built-in auto-transformer & meter Nominal AC Voltage 240 Vac split-phase (L1/L2/N) AC Voltage Range 211 – 264 Vac Frequency 60 Hz (operating range 59.3 – 60.5 Hz) Microgrid Interconnection Device Rating 200 A Service-Side Main Breaker (BI-E) 200 A, 10 kA interrupt Grid Disconnection Switchover < 100 ms Output to Loads Max 200 A; 240 Vac L-L; 120 Vac L-N (105–132 Vac in backup) Backup Frequency Range 55 – 65 Hz Inverter Inputs Up to 3; 11,400 W / 48 A max (on-grid & backup) Factory Installed Inverter CB 1 × 63 A (-03 models); upgradable up to 3 × 40/63 A Imbalance Compensation 5,000 W Generator Support 22,500 W max; 94 Aac continuous; 2-wire start; dry contact 250/30 Vac/Vdc, 5 A Communications RS485; 2 comm inputs Protection Rating NEMA 3R / IP44 Operating Temperature -40 to +122 °F (-40 to +50 °C) Noise < 50 dBA Cooling Fan (user replaceable) Dimensions (H × W × D) 20.59 × 13.88 × 8.62 in Weight 73 lb Conduit / AWG (Grid) 2" / 4 – 4/0 AWG Conduit / AWG (Loads) 2" / 4 – 4/0 AWG Conduit / AWG (Inverter) 1" / 14 – 4 AWG Conduit / AWG (Generator) 1" / 8 – 3 AWG Conduit / AWG (Comms) 3/4" / 24 – 10 AWG Supported Inverters SolarEdge Home Hub; StorEdge Single-Phase Warranty 12 Years About SolarEdge: SolarEdge Technologies, founded in 2006 in Israel, is a global leader in smart energy. They pioneered DC‑optimized solar inverters paired with module‑level power optimizers that boost system performance, increase safety, and simplify monitoring. Serving residential, commercial, and utility-scale markets, SolarEdge also offers storage, EV charging, UPS, grid services, and energy management platforms. They support over 47,000 installers in 34 countries with solutions deployed in 140+ nations. Why Buy From US Solar Supplier? As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on. We are updating our inventory daily with solar components that offer the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.Need Assistance?We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.Why Buy From Us?Trusted Supplier: We work with Tier 1 manufacturers who stand behind their products. Expert Support: Our team is here to guide you every step of the way.Manufacturer-Backed Warranties: Enjoy peace of mind with the 12-year standard product warranty. Easy and Secure Checkout: Your information is protected with top-notch security for a smooth, worry-free transaction.Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!