Arc extinguishing cover for small circuit breaker51

Product Description

Constructed with premium insulating materials, this miniature circuit breaker arc-extinguishing cover delivers stable and efficient arc-quenching performance while prioritizing environmental sustainability and aging resistance. It is suitable for low-voltage power distribution systems demanding high safety, reliability, and sustainability standards, serving as a critical functional component for miniature circuit breakers.
During circuit breaker tripping, contact separation generates high-temperature, high-energy arcs that impose stringent demands on material electrical properties and thermal stability. This arc extinguishing cover utilizes stable, high-quality insulating materials with excellent electrical insulation and arc resistance. It effectively confines arc development within a controlled zone, accelerating arc decay to ensure safe and reliable tripping. Stable arc-quenching performance reduces wear on contacts and surrounding components caused by arcs, enhancing the overall operational reliability of the circuit breaker.
Regarding environmental performance, the product materials comply with the low-voltage electrical industry's requirements for environmental protection and sustainable development. They exhibit low environmental impact throughout production, use, and the entire lifecycle, making them suitable for applications with stringent environmental standards. The materials themselves are unlikely to release harmful substances, contributing to the environmental friendliness of the entire product and meeting market and regulatory demands for green products.
Additionally, this miniature circuit breaker arc-extinguishing cover exhibits excellent aging resistance. Under prolonged operation and repeated breaking cycles, the material resists performance degradation caused by high temperatures, arc impacts, or environmental factors, maintaining stable structural and electrical characteristics over time. This property ensures the product delivers reliable arc-extinguishing and protective functions throughout its entire service life, reducing maintenance and replacement frequency while extending the circuit breaker's lifespan.
Structurally, the arc extinguishing cover exhibits high compatibility with standard miniature circuit breaker internal configurations, ensuring stable installation without interfering with other components' normal operation. The combination of stable construction and high-performance materials maintains consistent performance during prolonged operation, enhancing overall equipment quality stability.
Overall, by utilizing high-quality insulating materials, this product achieves a balance between superior arc-quenching performance, environmental sustainability, and aging resistance. It provides a safe, reliable, and sustainable arc-quenching solution for miniature circuit breakers, serving as a trusted critical component in low-voltage power distribution systems.

Composition

2 arc-isolating plates + 9 arc-extinguishing grid plates.

Arc-isolating plates: Melamine-laminated glass cloth board MFGC201(3233) 1 GB/T 1303.5
Arc-extinguishing grid plates: Serial number three is steel strip Q195 1.5 GB/T 11253, serial number four is steel strip Q195 1.2 GB/T 11253, serial number five is steel strip Q195 2 GB/T 11253

Parameters