Global Patent Index - EP 0295167 A1

EP 0295167 A1 19881214 - Test unit for electrical differential protection apparatus and apparatus incorporating this unit.

Title (en)

Test unit for electrical differential protection apparatus and apparatus incorporating this unit.

Title (de)

Testeinheit für elektrischen Differentialschutzapparat und Apparate mit dieser Einheit.

Title (fr)

Ensemble de test pour appareil électrique différentiel de protection et appareils incorporant cet ensemble.

Publication

EP 0295167 A1 19881214 (FR)

Application

EP 88401263 A 19880525

Priority

FR 8708123 A 19870611

Abstract (en)

The test unit is characterised in that it comprises an insulating base clipped onto the apparatus and carrying a conductive strip (30) having two elastic branches (31, 32), the first (31) normally in contact with a stationary contact (34) connected to the main circuit, the second (32) normally separated from a stationary contact (12) of the calibrated test resistor, the first branch (31) being laid in the path of a piece of machinery (36) and the second being able to be repelled by a push-button (18) towards the said contact (12) connected to the test resistor. <IMAGE>

IPC 1-7

H01H 83/04

IPC 8 full level

H01H 83/04 (2006.01)

CPC (source: EP)

H01H 83/04 (2013.01); H01H 2083/045 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI NL

DOCDB simple family (publication)

EP 0295167 A1 19881214; EP 0295167 B1 19930107; AT E84376 T1 19930115; DE 3877262 D1 19930218; DE 3877262 T2 19930506; DE 3877262 T4 19950810; FR 2616585 A1 19881216

DOCDB simple family (application)

EP 88401263 A 19880525; AT 88401263 T 19880525; DE 3877262 A 19880525; DE 3877262 T 19880525; FR 8708123 A 19870611