Title:
AUXILIARY DEVICE OF CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2011/067922
Kind Code:
A1
Abstract:
The disclosed auxiliary device, which is of a circuit breaker and which may be an external operation handle device and/or an undervoltage release device, is configured with the undervoltage release device separated into two modules that are an electromagnetic release unit (7) and a quick-closing contact unit (8), and the release unit (7) is set inside the case (1e) of the circuit breaker (1). Furthermore, the quick-closing contact unit (8) is externally attached to the base (3) of the external operation handle device (2), the limit switch (8a) of the quick-closing contact is linked to the sliding base (6) of the external operation handle device, and the aforementioned quick-closing contact unit is caused to close at an earlier stage than the closing of the main circuit contact of the circuit breaker (1) while turning ON the rotary handle (4) of the external operation handle device (2), corresponding to the optional specifications of an included quick-closing contact function.
Inventors:
HAMADA YOSHINOBU (JP)
ASAKAWA KOJI (JP)
SATO YUTAKA (JP)
ASAKAWA KOJI (JP)
SATO YUTAKA (JP)
Application Number:
PCT/JP2010/006973
Publication Date:
June 09, 2011
Filing Date:
November 30, 2010
Export Citation:
Assignee:
FUJI ELEC FA COMPONENTS & SYS (JP)
HAMADA YOSHINOBU (JP)
ASAKAWA KOJI (JP)
SATO YUTAKA (JP)
HAMADA YOSHINOBU (JP)
ASAKAWA KOJI (JP)
SATO YUTAKA (JP)
International Classes:
H01H73/02
Foreign References:
| JP2003123613A | 2003-04-25 | |||
| JP2002324477A | 2002-11-08 | |||
| JPH10255639A | 1998-09-25 | |||
| JP3867541B2 | 2007-01-10 | |||
| JP2007134148A | 2007-05-31 |
Other References:
See also references of EP 2509091A4
Attorney, Agent or Firm:
HIROSE, Hajime et al. (JP)
Hirose 1 (JP)
Hirose 1 (JP)
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