EP 0074529 A1 19830323 - A circuit breaker with arc restricting device.
Title (en)
A circuit breaker with arc restricting device.
Title (de)
Schutzschalter mit Vorrichtung zum Einschränken eines Lichtbogens.
Title (fr)
Disjoncteur à dispositif pour restreindre l'arc.
Publication
Application
Priority
JP 12580181 U 19810824
Abstract (en)
The present invention relates to a circuit breaker with arc restricting device wherein arc shields (7) made of a material higher in resistivity than the contactor (11, 12) conductors (1, 4) used therein are disposed around contacts (2, 3) on said conductors (1, 4) and wherein a space (M) is set at a predetermined angle on the arc shields (7) in a manner to surround the contacts (2, 3) contains at least a part of an envelope space (K) defined by joining outer edges of a plurality of arc extinguishing plates (51, 52, 53).
IPC 1-7
IPC 8 full level
H01H 73/18 (2006.01); H01H 9/30 (2006.01); H01H 9/34 (2006.01)
CPC (source: EP)
Citation (search report)
- [A] DE 1765051 A1 19710701 - DEGUSSA
- [A] DE 1765157 B1 19720531 - SPRECHER & SCHUH AG
- [A] US 3310649 A 19670321 - HENRY GREBER
- [A] DE 1765999 A1 19711125 - MERLIN GERIN
- [A] DE 2513242 A1 19751016 - SIEMENS AG OESTERREICH
- [A] DE 1690463 B1 19711007 - ELEKTRO APP WERKE VEB
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0074529 A1 19830323; JP S5830254 U 19830226; ZA 826005 B 19830727
DOCDB simple family (application)
EP 82107758 A 19820824; JP 12580181 U 19810824; ZA 826005 A 19820818