A plastic shell circuit breaker with overload alarm and optional trip function
By designing protective plates and fixing components to cover the terminals on the circuit breaker, the problem of dust corrosion on the terminals is solved, extending the service life and improving connection stability.
CN224683063UActive Publication Date: 2026-08-25SHANGHAI RENMIN ELECTRIC APPLIANCE SWITCH FACTORY GRP CO LTD
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Patent Information
- Application Number
- CN202520787782.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Technical Problem
The exposed terminals of existing circuit breakers are prone to dust accumulation and corrosion, which affects their service life.
Method used
The design incorporates protective panels and mounting components to cover the terminals, preventing dust from entering, and uses insulated elastic elements to clamp the wires and secure the terminals.
Benefits of technology
It effectively prevents the terminals from being corroded by dust, extends their service life, and improves the stability of the connection between the wires and the terminals.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of circuit breaker, and disclose a kind of overload alarm undetach function selectable moulded case circuit breaker, including circuit breaker main body and wiring terminal being installed on circuit breaker main body, the top and bottom of circuit breaker main body are all fixed with mounting frame, the side of mounting frame close to circuit breaker main body is fixed with multiple pivots, the number and position of pivot are matched with the number and position of wiring terminal, the outside sleeve of each pivot is equipped with rotating block, the side of rotating block away from pivot is slidably connected with protection plate, the side of protection plate away from pivot is equipped with fixed component. This kind of overload alarm undetach function selectable moulded case circuit breaker, the wiring end and side edge of wiring terminal are protected by protection plate and fixed plate, so as to avoid dust into wiring terminal inside, lead to wiring terminal be corroded damage.
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