Title:
CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2011018460
Kind Code:
A
Abstract:
To share a component between a voltage trip device and an undervoltage trip device.
A trip bar 2 of a switching mechanism 300 in an air circuit breaker 100 is provided with a trip bar cut groove 2a and a trip bar extension 2b, wherein, in the case of an L-shaped plunger 6 of the voltage trip device 3, both ends of the trip bar cut groove 2a are pushed and moved, and in the case of a T-shaped plunger 8 of the undervoltage trip device 4, the trip bar extension 2b is pushed and moved, thereby sharing components other than the plunger.
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Inventors:
OKAMOTO SHINICHI
Application Number:
JP2009160637A
Publication Date:
January 27, 2011
Filing Date:
July 07, 2009
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01H71/24; H01H33/42; H01H83/12
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka
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