EP 0915544 B1 20031203 - Surge arrester with a fault current indicating device
Title (en)
Surge arrester with a fault current indicating device
Title (de)
Überspannungsableiter mit einer Vorrichtung zur Anzeige eines Fehlerstroms
Title (fr)
Dérivateur de surtensions, muni d'un dispositif indiquant un courant de défaut
Publication
Application
Priority
DE 19749522 A 19971108
Abstract (en)
[origin: EP0915544A1] The electric appts. esp. a lightning or surge voltage protector (3) has an insulated material housing (8), acted on with high voltage, and is provided with a system for the optical indication of a faulty condition, caused by a fault current. The indicating system is designed as at least one part of the outer surface of the insulated housing (8) contg. data tape (9). Which with heating up to a limit temp., which lies above a permitted operating temp. of the appts. transmits an optically detectable signal. The limit temp. lies between 159 and 500 deg.C. The data carrier (9) is provided at a part of the outer surface of the housing (8), exposed to the increasing temp. effect of the fault current.
IPC 1-7
IPC 8 full level
H01T 1/12 (2006.01)
CPC (source: EP US)
H01T 1/12 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0915544 A1 19990512; EP 0915544 B1 20031203; DE 19749522 A1 19990512; DE 59810327 D1 20040115; US 6028759 A 20000222
DOCDB simple family (application)
EP 98811058 A 19981022; DE 19749522 A 19971108; DE 59810327 T 19981022; US 18688798 A 19981106