Automatic miniature circuit breaker with z-axis assemblable...

Details Automatic miniature circuit breaker with z-axis assemblable... Automatic miniature circuit breaker with z-axis assemblable...

H - Electricity

01

H

H01H 73/04 (2006.01) H01H 71/02 (2006.01) H01H 71/52 (2006.01) H01H 73/18 (2006.01)

Patent

CA 2111961

2111961 9322784 PCTABS00028 A miniature circuit breaker is provided which is adapted to improve automatic assembly of all components. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In particular, the circuit breaker operating mechanism which operates the contacts (45, 46) to make or break the electric circuit is formed of elements designed to interact in a Z-axis assemblable fashion. The movable contact (45) is defined on a contact carrier or blade assembly (41) which is adapted for Z-axis assembly and also provides increased arc erosion resistance and improved opening of the breaker contacts.

L'invention se rapporte à un coupe-circuit miniature qui est destiné à favoriser l'assemblage automatique de tous ses composants. Les composants clés du coupe-circuit sont conçus individuellement et collectivement pour pouvoir être assemblés totalement le long de l'axe des Z. Plus particulièrement, le mécanisme d'actionnement du coupe-circuit, qui actionne les contacts (45, 46) pour établir ou couper le circuit électrique, est formé d'éléments destinés à interagir entre eux de façon â être assemblables le long de l'axe des Z. Le contact mobile (45) est défini sur un porte-contact ou un ensemble à lame (41), qui est destiné à être assemblé le long de l'axe des Z et qui fournit également une plus grande résistance à l'érosion par arc et une ouverture améliorée des contacts du coupe-circuit.

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