EP 0013320 B1 19830126 - ELECTRICAL MAIN LINE PROTECTION SWITCH SERVING AS GROUP PROTECTION SWITCH
Title (en)
ELECTRICAL MAIN LINE PROTECTION SWITCH SERVING AS GROUP PROTECTION SWITCH
Publication
Application
Priority
DE 2854637 A 19781218
Abstract (en)
[origin: EP0013320A1] 1. An electrical main line protection switch (62) serving as a group protection switch, for the protection of an electrical installation consisting of a plurality of circuits, the main line protection switch (62) being selective with respect to the line protection switches (34, 36, 38) associated with the consumer devices (28, 30, 32), characterised in that a tripping device (42), which acts upon a latch (56), is in series with the electromagnetic percussion armature system (44) of the main line protection switch (62), which system (44) serves only for the temporary opening of the contact lever (46), and the tripping device (42) is so designed that it only trips when a particular value of Intg i**2 dt has been reached.
IPC 1-7
IPC 8 full level
H01H 71/10 (2006.01); H01H 71/34 (2006.01)
CPC (source: EP)
H01H 71/1081 (2013.01); H01H 71/34 (2013.01)
Designated contracting state (EPC)
CH FR GB IT NL
DOCDB simple family (publication)
EP 0013320 A1 19800723; EP 0013320 B1 19830126; DE 2854637 A1 19800619; DE 2854637 C2 19840517
DOCDB simple family (application)
EP 79104622 A 19791121; DE 2854637 A 19781218