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1. (WO2018050761) CIRCUIT BREAKER WITH OPEN-CLOSE-OPEN FUNCTIONALITY

Pub. No.:    WO/2018/050761    International Application No.:    PCT/EP2017/073170
Publication Date: Fri Mar 23 00:59:59 CET 2018 International Filing Date: Fri Sep 15 01:59:59 CEST 2017
IPC: H01H 3/42
H01H 3/46
H01H 75/04
H01H 3/30
Applicants: EATON INDUSTRIES (NETHERLANDS) B.V.
Inventors: LAMMERS, Arend
PANDE, Manish
SHINDE, Tejas
KHADILKAR, Gayatree
Title: CIRCUIT BREAKER WITH OPEN-CLOSE-OPEN FUNCTIONALITY
Abstract:
The invention relates to a circuit breaker comprising: - a frame; - a first contact fixed to the frame and a second contact movable arranged to the frame and relative to the first contact between a closed and an open position, wherein the contacts are urged to the open position; - at least two linked rods hinging in a single hinge plane, wherein a first free end of the linked rods is arranged hingedly to the frame and wherein a second free end of the linked rods is arranged hingedly to the second movable contact; - a first cam arranged on an axle, which axle is rotatable arranged in the frame, wherein the cam is arranged parallel to and in the hinge plane and wherein the lobe of the cam is arranged to engage on the linked rods to move the contacts between a closed and an open position; - drive means for rotatably driving the axle; - a latch tiltable arranged to the frame, which latch engages on the at least two linked rods in the closed position of the contacts; and - an actuator for disengaging the latch from the at least two linked rods to have the contacts move to the open position.