| 摘要 |
FIELD: electrical engineering; high-voltage disconnecting switches. ^ SUBSTANCE: disconnecting switch has folding contact blade built of two hinged semi-blades, contact member secured to driven semi-blade, and laminated contact with base enclosing contact member of driven semi-blade during in closing. In addition disconnecting switch has contact blade catcher with hole. Contact member of driven semi-blade is provided with first casing that has hole to receive laminated contact; drive semi-blade mounts second casing that closes mentioned hole in first casing in off-position of disconnecting switch. ^ EFFECT: enhanced reliability of ice protection. ^ 2 cl, 6 dwg |
