PCBA board of three-breakpoint leakage protection switch
By adopting a PCBA board with a dual current transformer structure, the problem of detection defects in existing leakage current protection switches has been solved, achieving higher data reliability and safety protection.
CN224329653UActive Publication Date: 2026-06-05FANATONG ELECTRIC APPLIANCES SHANGHAI CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FANATONG ELECTRIC APPLIANCES SHANGHAI CO LTD
- Filing Date
- 2025-04-16
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
Existing residual current circuit breakers have deficiencies in detection capabilities, making it difficult to effectively protect the safety of people and electrical equipment.
Method used
PCBA boards employing a dual current transformer structure improve data reliability through cross-validation, enabling measurement, protection, or control functions for more complex circuits.
Benefits of technology
The data reliability of the leakage current protection switch has been improved, which can more effectively protect the safety of people and electrical equipment.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224329653U_ABST
Abstract
The utility model relates to the technical field of leakage protection switch, disclose three breakpoint leakage protection switch's PCBA board, including circuit board (1) and two groups of mutual inductor (2), two groups of mutual inductor (2) adopt the pin welding, be equipped with the light touch switch (3) and the tripping assembly on circuit board (1), be equipped with test button (4) on light touch switch (3), and the tripping assembly is used for realizing leakage protection when leakage, this PCBA board adopts double mutual inductor structure, improves data reliability through cross -checking, realizes to more complex circuit measurement, protection or control function.
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