Global Patent Index - EP 0288040 A3

EP 0288040 A3 19900613 - CIRCUIT BREAKER

Title (en)

CIRCUIT BREAKER

Publication

EP 0288040 A3 19900613 (EN)

Application

EP 88106330 A 19880420

Priority

  • JP 9902687 A 19870421
  • JP 9902787 A 19870421
  • JP 9902887 A 19870421
  • JP 9902987 A 19870421

Abstract (en)

[origin: EP0288040A2] A circuit breaker having arc-extinguish grids (30) on which arc-proof insulation films (32) are applied for preventing undesirable arc staying and for preventing undesirable arc short-circuit; by providing the insulation films superior breaking efficiency can be obtained.

IPC 1-7

H01H 73/18; H01H 9/34

IPC 8 full level

H01H 9/30 (2006.01); H01H 9/36 (2006.01); H01H 73/18 (2006.01)

CPC (source: EP KR)

H01H 9/30 (2013.01 - KR); H01H 9/36 (2013.01 - EP); H01H 2009/365 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0288040 A2 19881026; EP 0288040 A3 19900613; EP 0288040 B1 19940302; DE 3888007 D1 19940407; DE 3888007 T2 19940609; KR 880013202 A 19881130; KR 910001537 B1 19910315

DOCDB simple family (application)

EP 88106330 A 19880420; DE 3888007 T 19880420; KR 880003295 A 19880326