EP 0051756 B1 19850502 - ARC EXTINGUISHING DEVICE, IN PARTICULAR FOR AN AUTOMATIC CUT OUT
Title (en)
ARC EXTINGUISHING DEVICE, IN PARTICULAR FOR AN AUTOMATIC CUT OUT
Publication
Application
Priority
DE 3042168 A 19801108
Abstract (en)
[origin: EP0051756A1] 1. Arc-extinction device, in particular for an automatic cut-out, with at least one fixed (12) and at least one moveable (13) contact piece, between which, for example in the event of a contact separation caused by a short-circuit current, an arc (221, 222) is drawn, which is fed via at least one arc deflector (15) connected to one of the contact pieces (12, 13) to a bank of arc-extinction plates (18 to 21) in order to extinguish the arc, which is enclosed by a casing (30) additionally covering the exit side of the bank of arc-extinction plates (18 to 21) and having in this area gas emission openings (36, 38), characterised in that the casing (30) is designed as a U-shape, that is, it has two plates (32, 60; 34, 62) forming the legs of the U, and a connecting web (36, 64) which connects these plates together and which is provided with the gas emission openings (38, 66), that the two plates (32, 34; 60, 62) - running parallel to the arc-extinction plates - receive between them the bank of arc-extinction plates (18 to 21), and the connecting web (36, 64) comes into a position lying over the gas emission side of the bank of arc-extinction plates (18 to 21), and that the plates (32, 34; 60, 62) have elongated recesses (40, 42; 72, 74) closed on all sides and running in the direction of entry of the arc, the recesses (40, 42; 72, 74) being designed in such a way that a web (44, 46; 76, 78) made of plate material remains lying across the direction of entry of the arc at the area where the arc enters the bank of extinction plates (18 to 21).
IPC 1-7
IPC 8 full level
H01H 9/36 (2006.01); H01H 73/18 (2006.01)
CPC (source: EP)
H01H 9/36 (2013.01); H01H 73/18 (2013.01)
Designated contracting state (EPC)
AT BE CH FR GB IT LI NL
DOCDB simple family (publication)
EP 0051756 A1 19820519; EP 0051756 B1 19850502; AT E13108 T1 19850515; DE 3042168 A1 19820616; DE 3042168 C2 19890302
DOCDB simple family (application)
EP 81108168 A 19811010; AT 81108168 T 19811010; DE 3042168 A 19801108