EP 4089709 A1 20221116 - OPERATING MECHANISM OF 2P2 MODULUS ELECTROMAGNETIC RESIDUAL CURRENT CIRCUIT BREAKER WITH OVERCURRENT PROTECTION
Title (en)
OPERATING MECHANISM OF 2P2 MODULUS ELECTROMAGNETIC RESIDUAL CURRENT CIRCUIT BREAKER WITH OVERCURRENT PROTECTION
Title (de)
BETÄTIGUNGSMECHANISMUS EINES ELEKTROMAGNETISCHEN RESTSTROMSCHUTZSCHALTERS MIT 2P2-MODULUS UND ÜBERSTROMSCHUTZ
Title (fr)
MÉCANISME DE FONCTIONNEMENT D'UN DISJONCTEUR À COURANT RÉSIDUEL ÉLECTROMAGNÉTIQUE À MODULE 2P2 DOTÉ D'UNE PROTECTION CONTRE LES SURINTENSITÉS
Publication
Application
Priority
- CN 2021114977 W 20210827
- CN 202110350635 A 20210331
Abstract (en)
The present invention relates to an operation mechanism of a 2P2M electromagnetic residual current circuit breaker with overcurrent protection (RCBO), including a handle, a connection rod, and a contact lever. A first hinging and linking shaft is disposed in the middle part of the contact lever. The contact lever is linked to a first latch and a second latch. A relative linkage structure is disposed between the first latch and the second latch. The other end of the contact lever opposite to one end linked to the connection rod is provided with a second hinging and linking shaft. The contact lever is linked to a first movable contact and a second movable contact. A first reset spring and a second reset spring are sleeved on the second hinging and linking shaft. The present invention has the following advantages. In the operation mechanism of a 2P2M electromagnetic RCBO, a single handle may control multiple circuit breakers. This simplifies a structure and reduces the overall structural complicity of the circuit breaker and a quantity of components, so that costs are reduced and processing and assembly are convenient.
IPC 8 full level
H01H 71/10 (2006.01)
CPC (source: CN EP)
H01H 71/1009 (2013.01 - CN EP); H01H 71/505 (2013.01 - EP); H01H 71/526 (2013.01 - EP); H01H 2071/508 (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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4089709 A1 20221116; EP 4089709 A4 20231018; EP 4089709 B1 20240731; EP 4089709 C0 20240731; CN 112967912 A 20210615; WO 2022205757 A1 20221006
DOCDB simple family (application)
EP 21844625 A 20210827; CN 202110350635 A 20210331; CN 2021114977 W 20210827