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2. 发明公开

EP1681700A4 CIRCUIT BREAKER 有权
标题翻译： UNTERBRECHERSCHALTER
公开(公告)号：EP1681700A4
公开(公告)日：2009-04-29
申请号：EP04793052
申请日：2004-10-27
申请人： MITSUBISHI ELECTRIC CORP
发明人： FUSHIMI MASAHIRO , TAKAHASHI SUSUMU , WATANABE KAZUMASA
IPC分类号： H01H9/30 , H01H73/02 , H01H9/34 , H01H9/46 , H01H71/52 , H01H73/04 , H01H73/18
CPC分类号： H01H73/045 , H01H9/342 , H01H71/52 , H01H77/102 , H01H77/104
摘要： A circuit breaker, comprising a pair of fixed contactors (2) and (3) having fixed contacts (2a) and (3a), a movable contactor (4) having a pair of movable contacts (4a) and capable of bridging these both fixed contacts to each other, an opening/closing mechanism part (10) operating when an over-current flows in the fixed contactors, a crossbar (5) separating the movable contactor from the fixed contactors when the opening/closing mechanism part is operated, a contact pressure spring (7) having one end engaged with the crossbar and the other end engaged with the generally center part of the movable contactor and energizing the movable contactor in the direction of the fixed contactors, and arc-extinguishing chambers (8) installed near both end parts of the movable contactor and extinguishing arcs generated when the movable contactor is separated from the fixed contactors.
摘要翻译：一种断路器，包括具有固定触点（2a）和（3a）的一对固定接触器（2）和（3），具有一对可动触点（4a）并且能够桥接这两者的可动接触器（4）彼此接触;当过流在固定接触器中流动时操作的打开/关闭机构部分（10）;当操作打开/关闭机构部分时将活动接触器与固定接触器分开的横杆（5），a （7），其一端与横杆接合，另一端与活动接触器的大致中心部分接合，并且朝向固定接触器的方向对活动接触器进行激励;以及灭弧室（8），其靠近当活动接触器与固定接触器分离时，活动接触器的两端部分和熄灭电弧。

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