Arc extinguishing cover for small circuit breaker44

Product Description

Specifically engineered for miniature circuit breakers with varying rated currents in low-voltage distribution systems, this arc-extinguishing cover offers excellent adaptability and stability. It meets diverse application requirements for safe and reliable interruption. The product's structural design adheres to scientific arc-extinguishing principles, enabling effective control over arc path and energy release during short-circuit breaking. This provides critical assurance for the safe operation of circuit breakers.
During circuit breaker overload or short-circuit faults, contact separation generates high-temperature, high-energy arcs. Through a rational internal structural layout, this arc-extinguishing cover guides the arc along a predetermined path, elongating, dispersing, and gradually attenuating it to mitigate risks from concentrated instantaneous energy. The stable, controllable arc path design helps prevent disordered arc diffusion, reduces damage to contacts, insulating components, and surrounding structures, and enhances the safety and repeatability of the breaking process.
The product is suitable for miniature circuit breakers across multiple rated current levels, maintaining consistent arc-extinguishing performance under varying current conditions. This broad applicability enables flexible integration into diverse circuit breaker product platforms, facilitating unified design and mass production. It also helps reduce component management and maintenance costs, meeting manufacturers' demands for versatility and standardization.
In terms of materials and manufacturing processes, the arc extinguishing cover utilizes stable insulating materials that balance thermal resistance, mechanical strength, and electrical performance. It withstands the extreme temperatures, electrodynamic forces, and impact loads generated during short-circuit interruptions. Its scientifically designed structure resists deformation or failure under frequent interruptions and long-term operation, ensuring sustained and stable arc-extinguishing functionality.
This miniature circuit breaker arc extinguishing cover is widely applicable in industrial power distribution systems, building power distribution installations, complete switchgear assemblies, and end-use electrical protection systems. By effectively controlling arc paths and energy release during short-circuit interruptions, the product significantly reduces fault risks, minimizes contact erosion, and enhances overall system safety levels.
Overall, this product delivers a stable and efficient arc-extinguishing solution for low-voltage miniature circuit breakers through its adaptability to multiple rated current levels and its scientifically sound, reliable structural design. It serves as a critical component for enhancing the safety and reliability of power distribution systems.

Composition

1 arc-blocking plate + 9 arc-extinguishing discs.

The arc-blocking plate is made of 1 piece of hard red steel paperboard, and the arc-extinguishing discs are made of 0.8mm cold-rolled steel paperboard Q235.

Parameters