Bipolar automatic circuit breaker for low-voltage applications

申请号 EP09171337.0 申请日 2009-09-25 公开(公告)号 EP2175468A3 公开(公告)日 2013-09-04
申请人 ABB S.p.A.; 发明人 Paleari, Ivan; Villani, Andrea; Chiaravalli, Matteo; Tinelli, Marco; Abbattista, Tommaso; Antoniazzi, Alberto;
摘要 A low-voltage bipolar automatic circuit breaker comprising a couple of electrical poles each of which has a device for protection against short-circuits. The circuit breaker further comprises a differential protection device associated with both poles and a single overload protection device associated with one of the two poles which causes the tripping of a closing/opening kinematic mechanism and the consequent opening of the contacts of the two poles upon detection of an overload fault condition.
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