DC combiner box

The DC combiner box with pre-installed crimp connectors and offset fuse holders addresses installation challenges and thermal coupling issues, enhancing installation efficiency and reliability.

WO2026128708A1 Publication Date: 2026-06-18DS2 0 LLC

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
DS2 0 LLC
Filing Date
2025-12-11
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

The installation of solar array DC combiner boxes is time-consuming and prone to component damage due to high voltage or current connections, and conventional designs suffer from thermal coupling between fuses leading to increased failure rates.

Method used

A DC combiner box with pre-installed crimp connectors and offset fuse holders that allow for straight cable insertion and reduced thermal coupling, facilitating faster installation and reducing component stress and overheating.

🎯Benefits of technology

Faster installation with reduced component damage and lower failure rates due to stress reduction and improved thermal management of fuses.

✦ Generated by Eureka AI based on patent content.

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Abstract

This disclosure describes a DC combiner box that has improved field installation capabilities and has decoupled thermal load between input fuses. The DC combiner box can be a junction box that includes a backplate; an input bus mounted to the backplate; an output bus mounted to the backplate; a crimp connector mounted to the backplate and electrically connected to the output bus; and a housing at least partially enclosing the output bus and the crimp connector.
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