| 摘要 |
<p>The column cabinet structure according to the invention has a central body designed to receive a multiplicity of pull-out box units, a first rear column structure designed to receive a first multiplicity of busbars for electrical power supply to one or more of the boxes, a second rear column structure designed to receive a second multiplicity of busbars for electrical power supply to the users controlled by the boxes, and a third column structure designed to house auxiliary cables, the said first and the said second multiplicity of busbars and the said auxiliary cables having points of electrical connection to the pull-out box units, these points being provided with a first and a second input and output load break switch, connected to the first multiplicity of busbars and to the second multiplicity of busbars respectively, and a connector which may be connected to a corresponding connector associated with the auxiliary cables.</p> |
