熔断器基本由可熔断元件和熄弧装置组成。
Fuses consist essentially of a fusible element and an arc-extinguishing means.
本发明提供一种具有熄弧系统的断路器(20)。
A circuit breaker (20) having an arc quenching system is provided.
熄弧栅的投影的区域与磁体的投影 区域有部分重叠。
The projection area of the arc splitter and the projection area of the magnet are partially overlapped.
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