SolarEdge Home Backup Interface (Main Lug Only, No Service Breaker Included)
SolarEdge Home Backup Interface (Main Lug Only, No Service Breaker Included) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
We offer fast and reliable shipping across the continental U.S., with free shipping available on most orders (exclusions may apply based on brand and product type). Orders are typically processed within 1–2 business days and transit time is usually 4–7 business days. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your contact details are accurate at checkout. For questions about delivery timelines, shipping eligibility, or special requests, feel free to contact us directly. See Policy.
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Do You Offer Financing?
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Price Match Guarantee
Price Match Guarantee
We’re committed to offering the best online prices—if you find a lower price from an authorized retailer, we’ll beat it. Our 100% Price Beat Guarantee excludes promotions, auction sites, and exchanges, and factors in item price, tax, and shipping. For price match inquiries, contact us at (833) 932-9683
SolarEdge Home Backup Interface (Main Lug Only, No Service Breaker Included)
The SolarEdge Backup Interface (BI-NUSGN-01) provides partial home backup (40 A) via a load-side connection, ensuring essential household loads remain powered during grid outages. It pairs with the SolarEdge Energy Hub inverter, automatically delivering backup power while allowing homeowners to choose which loads to support.
Efficient, Flexible Design
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Fast, easy installation with integrated SolarEdge energy meter for self-consumption management
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Built-in 5 kW auto-transformer for split-phase balancing
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Generator compatible and scalable for higher capacities
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Seamless integration with StorEdge inverters for monitoring PV generation and energy storage
Specifications & Features
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40 A, main lug only, load-side connection
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Supports connection to generators
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Auto-transformer and energy meter included
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Automatic backup during grid outages
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Compatible with SolarEdge Energy Hub, StorEdge single-phase, and StorEdge single-phase with HD-Wave
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12-year warranty, including energy meter and transformer
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UL1741 certified
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Eligible for Federal Energy Tax Credit and state/utility solar rebates
The SolarEdge Backup Interface ensures reliable, scalable backup power while maximizing energy efficiency and homeowner control.
SolarEdge Backup Interface FAQ
SolarEdge Backup Interface Best Practices
SolarEdge Backup Interface Install Manual for Service Entrance
SolarEdge Backup Interface Install Manual for Main Lug



