Global Patent Index - EP 0829895 A3

EP 0829895 A3 20001102 - Permanent magnet for the magnetic circuit of a magnetic trip device preferably for a fault current circuit breaker

Title (en)

Permanent magnet for the magnetic circuit of a magnetic trip device preferably for a fault current circuit breaker

Title (de)

Permanentmagnet für den magnetischen Kreis eines vorzugsweise in einem Fehlerstromschutzschalter einsetzbaren Magnetauslösers

Title (fr)

Aimant permanent pour le circuit magnétique d'un déclencheur magnétique de préférence pour un disjoncteur différentiel

Publication

EP 0829895 A3 20001102 (DE)

Application

EP 97810590 A 19970821

Priority

DE 19637077 A 19960912

Abstract (en)

[origin: EP0829895A2] The earth leakage circuit breaker has a permanent magnet Ä11Ü that has a pair of pole surfaces Ä11a,11bÜ that forms a magnetic circuit with a yoke Ä9Ü The yoke is formed of a pair of magnetically isolated plates Ä7,8Ü. The permanent magnet has a prism shape that enables it to be optimally positioned relative to the yoke for efficient flux transfer.

IPC 1-7

H01H 71/32

IPC 8 full level

H01H 71/32 (2006.01)

CPC (source: EP)

H01H 71/321 (2013.01); H01H 71/323 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0829895 A2 19980318; EP 0829895 A3 20001102; EP 0829895 B1 20050608; AT 297598 T 20050615; DE 19637077 A1 19980319; DE 59712338 D1 20050714; ES 2243973 T3 20051201

DOCDB simple family (application)

EP 97810590 A 19970821; AT 97810590 T 19970821; DE 19637077 A 19960912; DE 59712338 T 19970821; ES 97810590 T 19970821