Arc extinguishing cover for small circuit breaker62
Product Description
Designed to optimize the structural characteristics and application requirements of miniature circuit breakers, this arc-extinguishing cover achieves an excellent performance balance between safety, reliability, and durability. The overall structure, internal layout, and material selection of the arc extinguishing cover fully account for the actual operating conditions of low-voltage distribution systems. It effectively guides, controls, and extinguishes arcs during the instantaneous breaking of the circuit breaker, ensuring a stable and controllable breaking process. This provides a reliable foundation for the safety protection of circuits and related equipment.
Regarding safety, the arc-extinguishing cover employs a rational arc-extinguishing channel design and arc-resistant materials to effectively suppress arc propagation and high-temperature concentration. This reduces thermal shock and electrical stress on contacts and insulating components, minimizing potential failure risks. Regarding reliability, its optimized structural strength and electrical performance maintain consistent arc-quenching effectiveness under long-term operation, frequent switching cycles, and multiple fault interruptions. This ensures stable circuit-breaking capability with minimal performance degradation. In terms of durability, the arc-quenching cover exhibits excellent resistance to arc erosion and heat, contributing to extended overall circuit breaker lifespan while reducing maintenance and replacement frequency.
With balanced performance and excellent process adaptability, this miniature circuit breaker arc extinguishing cover is particularly suitable for mass deployment in industrial control, building power distribution, and various low-voltage civil distribution systems. Its stable and consistent quality enhances the uniformity and reliability of the complete product, meeting B2B customers' demands for large-scale procurement, long-term operation, and comprehensive cost control.
Composition
1 side plate + 11 arc-extinguishing grid plates.
The side plate is made of 0.8mm green paper steel plate, and the arc-extinguishing grid plates are made of 0.8mm cold-rolled steel plate No. 10.
Parameters

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side plate 1
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arc-extinguishing grid plate 2
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arc-extinguishing grid plate 3



