JPH0275910U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a front view showing one embodiment of the present invention;
The figure is a sectional view taken along line AA in Figure 1, and Figure 3 is B in Figure 1.
-B sectional view, Figure 4a and Figure 4b, Figure 5a
and FIGS. 5b, 6a and 6b are CT
The AA cross-sectional view and the B-B cross-sectional view of FIG. 1, respectively, showing the status of checking and measuring the contact resistance of the main circuit, and FIGS. 7 and 8 show disconnection blades of other embodiments of the present invention. A sectional view taken along the line AA in FIG. 1, and FIGS. 9 and 10 are a front view and a plan view showing an example of the prior art. In the figure, 1 is an insulating medium, 2 is a closed container, and 3
A, 3B, 3C are earthing switches, 6 is an insulator, 12
is the disconnection blade, 13A, 13B, 13C are the connection terminals,
14 is an insulated terminal, 15A, 15B, and 15C are conductors, 16 is a handle, and 17 is a grounding wire.

Claims (1)

[Scope of utility model registration request] They are each connected to a three-phase earthing switch housed in a sealed container filled with an insulating medium, and are arranged in the sealed container and surrounded by an insulator to be insulated from the sealed container. In a device in which the three-phase conductors of the insulated terminal are led out to the outside of the sealed container, the three-phase conductors of the insulated terminal are arranged on the same circumference and at positions separated by 90 degrees from each other, A conductive disconnection blade formed at the same position as the three-phase conductor and having connection terminals that can be connected to and separated from the three-phase conductor and connected to the ground, and an insulating disconnection blade disposed on the disconnection blade. A gas insulated switchgear characterized by comprising a handle.