EP 3358594 B1 20200401 - SINGLE-STAGE CIRCUIT BREAKER
Title (en)
SINGLE-STAGE CIRCUIT BREAKER
Title (de)
EINSTUFIGER SCHUTZSCHALTER
Title (fr)
DISJONCTEUR À UN SEUL ÉTAGE
Publication
Application
Priority
CN 201710064313 A 20170204
Abstract (en)
[origin: EP3358594A1] The present invention provides a single-stage circuit breaker. The single-stage circuit breaker comprises: a first accommodation chamber having a first current path formed therein; a second accommodation chamber having a second current path formed therein; an electromagnetic trip device arranged in the first accommodation chamber; a first contact assembly and a first execution assembly; an arc fault and leakage trip device arranged in the second accommodation chamber; a second contact assembly and a second execution assembly; a circuit board assembly for arc fault handling and leakage protection; and an auxiliary contact assembly arranged inside the second accommodation chamber for effecting safe electrical isolation of the circuit board assembly. The single-stage circuit breaker according to the present invention can make the circuit board assembly obtain a relatively safe electrical isolation so as to effectively improve the safety and reliability of the entire circuit breaker.
IPC 8 full level
H01H 83/02 (2006.01); H01H 71/02 (2006.01); H01H 71/10 (2006.01); H01H 71/40 (2006.01); H01H 71/46 (2006.01); H01H 83/20 (2006.01)
CPC (source: CN EP)
H01H 9/50 (2013.01 - CN); H01H 71/0207 (2013.01 - EP); H01H 71/40 (2013.01 - EP); H01H 71/46 (2013.01 - EP); H01H 73/04 (2013.01 - CN); H01H 83/02 (2013.01 - EP); H01H 2083/201 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3358594 A1 20180808; EP 3358594 B1 20200401; CN 108400072 A 20180814; CN 108400072 B 20200103
DOCDB simple family (application)
EP 18154732 A 20180201; CN 201710064313 A 20170204