Title:
Molded case circuit breaker
Document Type and Number:
Japanese Patent JP6018143
Kind Code:
B2
Abstract:
A molded case circuit breaker (MCCB) includes a case (210), an interrupter assembly (220), an exhaust guide part (230), an exhaust cover (240), a sealing groove (241)and a sealing projection. The interrupter assembly is mounted inside the case, and has an arc gas exhaust port (222) to exhaust an arc gas generated inside the case. The exhaust guide part is disposed between the interrupter assembly and the terminal part, and has an exhaust chamber (231) therein to provide an arc gas passage between the arc gas exhaust port and a vent chute (213) of the terminal part. The exhaust cover is mounted to the case in a structure covering the exhaust guide part, to seal the arc gas passage. The sealing groove is formed in an inner surface of the exhaust cover. The sealing projection is formed on the arc gas exhaust port of the interrupter assembly, to be inserted and coupled into the sealing groove.
Inventors:
Chang Bon Yun
Application Number:
JP2014173430A
Publication Date:
November 02, 2016
Filing Date:
August 28, 2014
Export Citation:
Assignee:
LSIS CO.,LTD.
International Classes:
H01H73/18
Domestic Patent References:
| JP9507722A | ||||
| JP2010219033A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura