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US 11,942,299 B2Granted
Switch module in a molded casing for a circuit breaker and circuit breaker in a modular molded casing
AssigneeWeg Drives and Controls AutomaçãO Ltda
InventorsRodrigo Gonçalves De Villa, Everton Soares Pivotto, Fábio Decker De Souza
Life of this patent
Estimating the term…
Abstract
A unipolar switching module made of insulating material and including an incorporated thermomagnetic tripping set, and/or a current measurer and power supply set for an electronic controller A multipolar low-voltage molded case circuit breaker can include unipolar switching modules, which interact with the tripping set and/or the current measurer and power supply set.
Claims18
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set;
- wherein the contact system is selected from the group consisting of a rotary contact system and a double rotary contact system;
- wherein the set is selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals;
- and
- wherein the rotary contact system comprises:
- a rotary traverse bar;
- a movable contact;
- a spring;
- an equalization shaft;
- and
- a pivoting support chamber, within which the rotary traverse bar, the movable contact, the spring and the equalization shaft are at least partially contained, the pivoting support chamber including:
- a pivot shaft;
- and
- a through hole for the equalization shaft.
14 more elements
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set;
- wherein the contact system is selected from the group consisting of a rotary contact system and a double rotary contact system;
- wherein the set is selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals;
- and
- wherein the double rotary contact system comprises:
- a first movable contact;
- a rotary traverse bar;
- a second movable contact;
- springs;
- a first equalization shaft;
- a second equalization shaft;
- and
- a pivoting support chamber, within which the first movable contact, the rotary traverse bar, the second movable contact, the springs, the first equalization shaft and the second equalization shaft are at least partially contained;
- wherein the pivoting support chamber has through holes for the first equalization shaft and the second equalization shaft.
14 more elements
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set;
- wherein the contact system is selected from the group consisting of a rotary contact system and a double rotary contact system;
- wherein the set is selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals;
- wherein the thermomagnetic tripping set comprises:
- a shunt bar;
- a magnetic yoke;
- a bimetallic strip;
- and
- a magnetic trip lever;
- and
- wherein the thermomagnetic tripping set is electrically connected to the associated electric connection terminal through a fastening element;
- wherein the case comprises a first cavity and a second cavity made of insulating material, each cavity defined by an inner face and outer faces, the outer faces comprising an anterior side face, a posterior side face, a bottom face and a top face that comprises a recess;
- and
- wherein the magnetic trip lever is transversely bearing on one side to a guide of the inner face of the first cavity and on the other side to an equivalent but inverted guide of the inner face of the second cavity.
14 more elements
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set;
- wherein the contact system is selected from the group consisting of:
- a rotary contact system comprising a rotary traverse bar, a movable contact, a spring, an equalization shaft, and a pivoting support chamber, wherein within the pivoting support chamber the rotary traverse bar, the movable contact, the spring and the equalization shaft are at least partially contained, wherein the pivoting support chamber includes a pivot shaft and a through hole for the equalization shaft;
- and
- a double rotary contact system comprising a first movable contact, a rotary traverse bar, a second movable contact, springs, a first equalization shaft, a second equalization shaft, and a pivoting support chamber, wherein within the pivoting support chamber the first movable contact, the rotary traverse bar, the second movable contact, the springs, the first equalization shaft and the second equalization shaft are at least partially contained, and wherein the pivoting support chamber has through holes for the first equalization shaft and the second equalization shaft;
- and
- wherein the set is selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals.
7 more elements
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals;
- wherein the thermomagnetic tripping set comprises:
- a shunt bar;
- a magnetic yoke;
- a bimetallic strip;
- and
- a magnetic trip lever;
- wherein the thermomagnetic tripping set is electrically connected to the associated electric connection terminal through a fastening element;
- wherein the electrical connection terminals comprise fixed contacts;
- wherein the current measurer and power supply set are electrically coupled to an electronic controller;
- wherein the case comprises a first cavity and a second cavity made of insulating material, each cavity defined by an inner face and outer faces, the outer faces comprising an anterior side face, a posterior side face, a bottom face and a top face that comprises a recess;
- and
- wherein the magnetic trip lever is transversely bearing on one side to a guide of the inner face of the first cavity and on the other side to an equivalent but inverted guide of the inner face of the second cavity.
13 more elements
A unipolar switching module comprising:
- a case made of insulating material;
- a contact system associated with electrical connection terminals and an arc extinguishing system;
- and
- a set;
- wherein the contact system is selected from the group consisting of a rotary contact system and a double rotary contact system;
- wherein the set is selected from the group consisting of a thermomagnetic tripping set associated with one of the electrical connection terminals and a current measurer and power supply set associated with one of the electrical connection terminals;
- and
- wherein the electrical connection terminals are magnetically coupled to the current measurer and power supply set and electrically connected to the contact system through a strand.
5 more elements
Dependencies are inferred from the claim text.