Small-sized vacuum ring main unit
A ring network cabinet and vacuum technology, which is applied in the direction of substation/switchgear board/panel/desk, switchgear, electrical components, etc., can solve the problems of increasing the volume of small vacuum ring network cabinets, pollution, condensation, etc., to avoid Contamination and condensation, volume reduction, and high work reliability
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0015] Such as figure 1 , figure 2 As shown, a small vacuum ring network cabinet of the present invention includes a housing 1, a spring operating mechanism 2, an arc extinguishing chamber pole 3, a three-position isolating switch 4, a mechanical interlock assembly 5 and an insulating bus 6; The three-station isolating switch 4, the mechanical interlock assembly 5 and the spring operating mechanism 2 are arranged on the upper part of the housing 1; the three-station isolating switch 4, the mechanical interlock assembly 5, and the spring operating mechanism 2 are sequentially connection, that is, the three-position isolating switch 4 is set at one end close to the operation panel 1.1, the spring operating mechanism 2 is set at the end far away from the operation panel 1.1, and the mechanical interlock assembly 5 is set at the end of the three-...
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