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专利名称：METHODS AND APPARATUS FOR AN
IMPROVED MAGNETIC ARMATURESELECTIVE TRIPPING DEVICE OF A CIRCUITBREAKER
发明人：CARDWELL, Justin Michael,FRANCO
CABALLERO, Luis Miguel
申请号：EP12709758.2申请日：20120305公开号：EP2823500B1公开日：20160928
摘要：Methods, apparatus, and systems are provided for a selectivity device for acircuit breaker. The invention includes a modular assembly adapted to be coupled to aload conductor assembly. The modular assembly includes a tripping plunger including acam surface adapted to interact with a breaker tripping mechanism; an armature coupledto the tripping plunger; a yoke adapted to generate a magnetic field in response to anelectric current in the load conductor assembly and disposed to apply a magnetic forceproportionate to the electric current on the armature; and a spring assembly adapted tocounter-balance the magnetic force up to a predefined tripping current in the loadconductor assembly. Numerous additional aspects are disclosed.
申请人：SIEMENS AG
地址：DE
国籍：DE
代理机构：Maier, Daniel Oliver
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