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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0204873 A1 19861217 - Circuit breaker monitor.

Title (en)

Circuit breaker monitor.

Title (de)

Überwachungsschaltung für ein Schaltgerät.

Title (fr)

Circuit de surveillance d'un disjoncteur.

Publication

EP 0204873 A1 19861217 (EN)

Application

EP 85304097 A 19850610

Priority

EP 85304097 A 19850610

Abstract (en)

A monitor for a circuit breaker includes current monitoring means in the form of a peak detector for measuring the quantum of current which causes the circuit breaker to trip out and means for recording this measured quantum on a cumulative basis.

IPC 1-7

H02H 7/22

IPC 8 full level

H01H 1/00 (2006.01)

CPC (source: EP)

H01H 1/0015 (2013.01)

Citation (search report)

[X] DE 2640921 A1 19780309 - SIEMENS AG
[Y] US 3678372 A 19720718 - ELDER FREDERICK A
[X] DE 2727378 A1 19790104 - SIEMENS AG
[A] DE 1936552 A1 19710318 - BBC BROWN BOVERI & CIE

Designated contracting state (EPC)

AT BE CH DE FR IT LI LU NL SE

DOCDB simple family (publication)

EP 0204873 A1 19861217

DOCDB simple family (application)

EP 85304097 A 19850610