A miniature circuit breaker universal bus system

By designing a universal busbar system for miniature circuit breakers, which employs a stacked structure of three phase pole plates and one neutral pole plate, the problem of insufficient adaptability of busbar products is solved, achieving compatibility and flexibility with various power supply systems.

CN224342746UActive Publication Date: 2026-06-09NANYANG IND TECH (SUZHOU) CO LTD

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
NANYANG IND TECH (SUZHOU) CO LTD
Filing Date
2025-07-18
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

There is a lack of busbar products on the market that are compatible with the needs of multiple power distribution systems. Conventional busbar products are difficult to meet the power distribution needs of modern production processes, resulting in inconvenience in use.

Method used

Design a universal busbar system for miniature circuit breakers, which adopts a stacked structure of three phase line plates and one neutral line plate, compatible with four power supply systems: TT, TN-C, TN-CS, and TN-S, enhancing adaptability and flexibility.

Benefits of technology

It enables miniature circuit breakers to be adapted to different power distribution needs, expands the versatility and flexibility of busbar systems, and meets the needs of various power supply systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a general bus system of a miniature circuit breaker, which comprises a base shell, phase line pole plates arranged on the base shell and a neutral line pole plate, the phase line pole plates comprise a BU pole plate, a GR pole plate and a BL pole plate, and the neutral line pole plate comprises a BN pole plate, wherein the BU pole plate, the GR pole plate, the BL pole plate and the BN pole plate are arranged in a stacked mode from top to bottom, and the BN pole plate is located at the upper layer of the three phase line pole plates; the stacked structure combining the three phase line pole plates and the one neutral line pole plate can be compatible with four power supply systems of TT, TN-C, TN-C-S and TN-S, the adaptability of the miniature circuit breaker is expanded, and flexibility and universality are increased.
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