FIELD: electrical engineering. SUBSTANCE: disconnecting unit has contact bridge 17 for each pole installed in button 20. Button is free to move in fixed shell 21 placed in switch case; mentioned shell is provided with ports 24 to pass contact bridge and upper stop 26 for this bridge; in this way, structure obtained forms telescopic assembly. EFFECT: improved design. 8 cl, 5 dwg
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Authors
Dates
1997-08-20—Published
1993-04-20—Filed