保险丝断路开关装置包括一个拔出型保险丝装置和一个开关外壳装置。

A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly.

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保险丝起着保险装置的作用。

The fuse ACTS as a safety device.

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这些防护装置包括附加的保护器件，以增强由常规的电路断路器和保险丝系统所提供的保护。

These include add-on devices for protection in addition to that afforded by conventional circuit-breaker and fuse systems.

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