15kW On-Grid & Hybrid DB Box – Fully Loaded with Tomzn Breakers | Reliable Electric
Built for high-capacity solar installations, the 15kW DB Box by Reliable Electric offers a complete, plug-and-play solution for both on-grid and hybrid inverter systems. Professionally assembled with original Tomzn AC/DC breakers, SPDs, and optional changeover switches, this box ensures maximum safety, system stability, and installation convenience.
Engineered for durability and performance, this heavy-duty DB box comes housed in a premium weather-resistant enclosure and includes:
AC Breakers (Tomzn) – For safe load-side protection against overload and short circuits
DC Breakers (Tomzn) – Handles high-voltage solar input with confidence
Surge Protection Devices (SPD) – Guards against lightning strikes and voltage surges
Changeover Switch (for hybrid systems) – Enables seamless switching between grid and backup power
Professional Wiring – Neatly arranged, labeled, and factory-tested for reliability
Perfect for large homes, commercial solar setups, or hybrid backup systems, this box is designed to minimize labor and maximize protection in one integrated, high-performance unit.
Supports all major 15kW hybrid and on-grid inverters
Built with 100% original Tomzn breakers & components
Factory-wired, labeled, and ready to install
Trusted quality by Reliable Electric
Whether you're powering a business or a large residence, this box delivers the safety, efficiency, and convenience your system demands.
Reliable Electric – Smart Solar Protection, Professionally Assembled.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.