| 摘要 |
This equipment is created based on at least two removable modular elements, the switch module (1) and module (24) used for indirect switching control, capable to change between the disconnected and stretched state according to the attendance of the stretching mean (45). The disconnection is provided based on the disconnecting command applied to the disconnecting element (52). The control module (24) is fixed on the disconnecting module (1) with the use of the screw (65), a head of which (67) is accessible in the case of the stretched state of the control module (24) only.
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