| 摘要 |
The present invention relates to a breaker apparatus and breaker unit. The breaker apparatus comprises a breaker unit including a power supply/cut-off breaker part, a power connecting part, a first unit connecting part, a ground connecting part and a second unit connecting part and further comprises a breaker unit mounting board including a mating power connecting part, a mating ground connecting part, a first connection mediating part and a second connection mediating part. This breaker apparatus is capable of constituting a power distributing apparatus with a necessary but minimized construction, and of extending the breaker unit in a minimum unit according to necessity. In addition, with this breaker apparatus, parts can be used in common irrespective of a change of a ground system, and further, can be replaced in the hot-line condition without cutting off the power supply to a system.
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