FIELD: electricity.
SUBSTANCE: contact group for use in the vacuum interrupter contains a contact disk made of the first electrically conductive material, a coil and a contact holder. The coil is made of the second electrically conductive material and consists of a plurality of helical sections oriented axially relative to the common central axis. Each of the spiral sections has a proximal end and a distal end. Each of the helical sections is connected at the proximal end to a base made of the second electrically conductive material, and at the distal end - to a contact disk. The contact holder is axially centered in the axial direction within the coil and is located between the base and the contact disk. The support disk is connected to the base located between the support disc and the contact holder.
EFFECT: support disk is designed to provide support for the base and is made of a material with a high specific electrical resistance.
20 cl, 8 dwg
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