Electrical service switching device

Details Electrical service switching device Electrical service switching device

2008-05-21

2010-11-23

Enad, Elvin G (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

C335S006000

Reexamination Certificate

active

07839241

ABSTRACT:
The disclosure relates to an electrical service switching device, e.g., a circuit breaker, having a magnetic release with a magnet armature, a thermal release, a fixed and moving contact piece, a switching mechanism which can be tripped by the thermal and magnetic release and has a latching point which is formed by a tripping lever and a catch lever which is mounted in a fixed position such that it can rotate and has an elongated hole in order to guide a clip, wherein the magnet armature can act on the contact lever, to which the moving contact piece is fitted, in order to open the contact point in the event of a short, and the switching mechanism can hold the contact lever permanently in the open position, having a switching toggle for manual operation of the switching mechanism, and having an intermediate lever which is articulated at one of its ends with the contact lever and at its other end on the clip, wherein the clip is articulated with at least one limb on the switching toggle.

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European Search Report issued Sep. 5, 2008 in corresponding European Patent Application EP 08 00 6388.

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