Global Patent Index - EP 0801408 A3

EP 0801408 A3 2000-07-26 - Overload switching device for electrical apparatus

Title (en)

Overload switching device for electrical apparatus

Title (de)

Überlastschalteinrichtung für elektrische Geräte

Title (fr)

Dispositif de commutation de surcharge pour appareils électriques

Publication

EP 0801408 A3 (DE)

Application

EP 97103619 A

Priority

DE 19610185 A

Abstract (en)

[origin: DE19610185C1] The thermal overload device has two switching stages each with fixed contacts 10,11 and a bridging contact 14 held by a spring element 15. In line with the switching stages is a bimetallic element 12 that is heated by a unit 18 coupled into the electrical circuit. At a threshold temperature the bimetallic element inverts and displaces a plunger 16 to open the contacts. The device has a push button cap 26 inside of which is an indicator bulb 19 that has a electorial connections to one pair of contacts 10.11 that connect to the load. The switch may also be manually operated by pressing the push button.

IPC 1-7 (main, further and additional classification)

H01H 37/70; H01H 37/54

IPC 8 full level (invention and additional information)

H01H 37/54 (2006.01); H01H 1/50 (2006.01); H01H 9/16 (2006.01)

CPC (invention and additional information)

H01H 37/5409 (2013.01); H01H 1/504 (2013.01); H01H 9/161 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL

DOCDB simple family

DE 19610185 C1 19970410; AT 286301 T 20050115; EP 0801408 A2 19971015; EP 0801408 A3 20000726; EP 0801408 B1 20041229