Combination of electrical fuse cabinet, pipe fused with a firing pin, in short, the firing pin impact tripping institutions, breaking fast, effective protection of electrical equipment.

熔断器组合电器柜，熔管带有撞针，在短路的情况下，撞针撞击跳闸机构，实现快速开断，能有效的保护电器设备。

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"Basically, it's still a pipe and it's got a firing pin at the bottom, " Trevithick said.

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