Bus duct head-end box

By independently setting the secondary circuit assembly on the main circuit assembly's starting box within the busbar trunking's starting box, and isolating it from the main circuit via a flange unit, the problems of limited installation methods and inconvenient maintenance in existing technologies are solved, achieving both circuit safety and reliability as well as convenient maintenance.

CN224401117UActive Publication Date: 2026-06-23VERTIV CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
VERTIV CORP
Filing Date
2025-06-09
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing busbar trunking start box cannot support both horizontal and vertical installation at the same time. The main circuit and secondary circuit components share the same box, which leads to electromagnetic interference and unstable communication signals. The main circuit heats up, affecting the lifespan of the secondary circuit. Furthermore, inspection and maintenance are inconvenient, as the main circuit must be disconnected before they can be carried out.

Method used

Design a busbar trunking start box, in which the secondary circuit assembly is independently set on the start box shell of the main circuit assembly, isolated from the main circuit by a flange unit, and supports horizontal or vertical installation. The use of a hoisting structure and sealing components improves installation adaptability and safety.

Benefits of technology

It achieves full physical isolation between the main circuit and the secondary circuit, reduces electromagnetic interference, ensures that communication is not affected during maintenance, supports maintenance of the secondary circuit without interrupting the power supply to the main circuit, improves the convenience and safety of maintenance, and meets the power requirements of the data center.

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  • Figure CN224401117U_ABST
    Figure CN224401117U_ABST
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Abstract

The utility model provides a kind of bus duct initial end box, including main circuit component, secondary circuit component and flange unit;Main circuit component includes initial end box shell, secondary circuit component includes secondary circuit shell and secondary circuit component, secondary circuit component is independently set on initial end box shell by secondary circuit shell, hoisting structure is also provided on initial end box shell.The utility model provides a kind of bus duct initial end box by independently setting secondary circuit component on the initial end box shell of main circuit component, can make main circuit component and secondary circuit component be arranged in different box, and by setting secondary circuit component in secondary circuit shell, the effect that secondary circuit component and main circuit component and flange unit are completely isolated can be realized, realize full physical isolation;And support maintenance secondary circuit under the condition that main circuit is not power off, satisfy the rigorous power demand of data center.
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