FIELD: electricity.
SUBSTANCE: device comprises of two contacts connected in series, moreover in each case stationery and moving contacts are provided; at that the first stationery contact contains mechanical ignition device for impulse charge of the second moving contact so when the first moving contact reaches the first stationery contact it will lead to mechanical ignition of impulse charge for the second moving contact.
EFFECT: increase of dielectric strength.
13 cl, 1 dwg
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