EP 0155376 B1 19870603 - CONTACT ARRANGEMENT FOR A VACUUM SWITCH
Title (en)
CONTACT ARRANGEMENT FOR A VACUUM SWITCH
Publication
Application
Priority
DE 3407088 A 19840227
Abstract (en)
[origin: US4620074A] A contact arrangement comprising two cup-type contacts having hollow-cylindrical contact carriers arranged coaxially with each other and having slots inclined in the same sense to the longitudinal axis of the contact arrangement. The slots act as a coil for generating a magnetic field for minimizing arc currents. The condition <IMAGE> is met in a range of the outside diameter D of the contact carriers of from 60 to 150 mm, a predetermined height HT of the contact carriers, a number s of the slots and an azimuth B of the slots. With this design, a contact arrangement with an axial magnetic field of at least 3.5 uT/A is obtained.
IPC 1-7
IPC 8 full level
H01H 33/66 (2006.01); H01H 33/664 (2006.01)
CPC (source: EP US)
H01H 33/6642 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0155376 A1 19850925; EP 0155376 B1 19870603; DE 3407088 A1 19850829; DE 3464103 D1 19870709; JP H0359531 B2 19910910; JP S60205925 A 19851017; US 4620074 A 19861028
DOCDB simple family (application)
EP 84115139 A 19841211; DE 3407088 A 19840227; DE 3464103 T 19841211; JP 3624585 A 19850225; US 70442885 A 19850222