EP 1128412 A2 20010829 - Rolating actuator for circuit breakers suited for in advance actuation of an undervoltage tripping unit
Title (en)
Rolating actuator for circuit breakers suited for in advance actuation of an undervoltage tripping unit
Title (de)
Drehantrieb für einen Leistungsschalter, geeignet zur Betätigung eines Unterspannungsauslösers im voraus
Title (fr)
Actionneur rotatif pour disjoncteur adapté à l'actionnement préalable d'un déclencheur à minimum de tension
Publication
Application
Priority
IT MI20000325 A 20000223
Abstract (en)
Rotating actuator of a molded case circuit breaker comprising a disk (14), moved by a shaft (12) of a rotating knob, which is provided with a slot (16), bounded by a protruding cam (18) actuating a lever (48) engaged in a slot (54) of a slider (56) having the duty of actuating the contacts of a auxiliary contact unit (60) of the circuit breaker to the purpose of feeding an undervoltage tripping unit thereof before the beginning of a closing operation of the circuit breaker and of preventing an unwanted tripping of the circuit breaker due to lack of voltage on the same undervoltage tripping unit. <IMAGE>
IPC 1-7
IPC 8 full level
H01H 83/12 (2006.01)
CPC (source: EP)
H01H 83/12 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1128412 A2 20010829; EP 1128412 A3 20040102; IT 1316658 B1 20030424; IT MI20000325 A0 20000223; IT MI20000325 A1 20010823
DOCDB simple family (application)
EP 01200447 A 20010208; IT MI20000325 A 20000223