SolarEdge Home Backup Interface BI-NUSGN-03
SolarEdge Home Backup Interface BI-NUSGN-03
We offer multiple secure payment options for your convenience
We offer multiple secure payment options for your convenience
SolarEdge Home Backup Interface BI-NUSGN-03
The SolarEdge Home Backup Interface (BI-NUSGN-03) delivers flexible whole-home or selected-load backup with fast switchover, integrated phase-imbalance support, and built-in metering. It supports up to three SolarEdge inverters, integrates a generator input with 2-wire start, and provides a streamlined, code-ready path to resilient residential microgrids.
Key Benefits
Flexible Backup: Protect the entire home or only critical loads with <100 ms transfer.
Scalable Power: Accepts up to three inverters (11.4 kW max on-grid/backup per unit).
Smarter Balance: Built-in auto-transformer enables 5 kW split-phase imbalance compensation.
Ready for Generators: 22.5 kW generator input with 2-wire start and dry-contact control.
Integrated Metering: PCS-certified energy meter (-03 models) for Busbar Current Management.
Special Technology
Microgrid Interconnection Device: 200 A rated MID with rapid grid disconnect/transfer.
SolarEdge Ecosystem: Seamless operation with SolarEdge Home Hub and StorEdge inverters, plus RS485 communications.
Warranty
12-Year Manufacturer Warranty.
Best Uses
Whole-Home or Critical-Load Backup: Fast, automated switchover for resilient homes.
PV + Storage + Generator Hybrids: Coordinated operation across PV, batteries, and generator.
Scalable Retrofits & New Installs: Add inverter capacity or integrate existing SolarEdge systems.
Specifications Table
| Specification | Data |
|---|---|
| Model | BI-NUSGN-03 (Backup Interface, North America) |
| Type | Main-lug backup interface (non-service entrance) |
| Nominal AC Voltage | 240 Vac split-phase (L1/L2/N) |
| AC Voltage Range | 211 – 264 Vac |
| Frequency | 60 Hz (59.3 – 60.5 Hz operational) |
| Microgrid Interconnection Device Rating | 200 A |
| Grid Disconnection Switchover | < 100 ms |
| Outputs to Loads | Max 200 A; L-L 240 Vac; L-N 120 Vac (105 – 132 Vac in backup) |
| Inverter Inputs | Up to 3; max 11,400 W / 48 A (on-grid & backup) |
| Factory CB (Inverter Input) | One 63 A breaker installed (-03 models); up to 3 × 40 A/63 A upgradable |
| 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 communication inputs |
| Integrated Meter | PCS-certified energy meter (1% accuracy) on -03 models |
| Protection Rating | NEMA 3R / IP44 |
| Operating Temperature | -40 to +122 °F (-40 to +50 °C) |
| Noise | < 50 dBA |
| Dimensions (H × W × D) | 20.59 × 13.88 × 8.62 in |
| Weight | 73 lb |
| Supported Inverters | SolarEdge Home Hub Inverter; StorEdge Single-Phase Inverter |
| 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 |
| 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, extendable up to 25 years for long-term protection.
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!
