FIELD: electricity.
SUBSTANCE: combined drive of DC switch comprises magnetic conductor with control coil, the main anchor and anchor of free tripping, disconnecting spring and spring of free tripping. Copper short-circuited turn is fixed on the main anchor, and an additional coil is installed coaxially to it in magnetic conductor.
EFFECT: improved efficiency during drive disconnection and reduction of its dimensions.
3 dwg
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|
RU2417477C1 |
Authors
Dates
2010-12-20—Published
2008-11-17—Filed