FIELD: electric engineering. SUBSTANCE: switch-gear has vessel filled with hexafluoride of sulfur which houses mobile, immobile and grounding contacts. Mobile contact is manufactured in the form of knife and is mounted for interaction with immobile and grounding contacts. Immobile contact is put on axle attached to lead-in. Cable is coupled to lead-in by means of connector, arc control fixture is anchored on collecting bus. EFFECT: enhanced safety and efficiency of switch-gear. 5 cl, 1 dwg
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