US 11,942,299 B2
Switch module in a molded casing for a circuit breaker and circuit breaker in a modular molded casing
Rodrigo Gonçalves De Villa, Jaragua do Sul (BR); Everton Soares Pivotto, Jaragua do Sul (BR); and Fábio Decker De Souza, Jaragua do Sul (BR)
Assigned to WEG DRIVES AND CONTROLS AUTOMAÇÃO LTDA, Jaraguá Do Sul (BR)
Appl. No. 17/416,506
Filed by WEG Drives and Controls Automação LTDA, Jaragua do Sul (BR)
PCT Filed Dec. 21, 2018, PCT No. PCT/BR2018/050477
§ 371(c)(1), (2) Date Jun. 20, 2021,
PCT Pub. No. WO2020/124175, PCT Pub. Date Jun. 25, 2020.
Prior Publication US 2022/0076911 A1, Mar. 10, 2022
Int. Cl. H01H 33/60 (2006.01); H01H 71/02 (2006.01); H01H 71/10 (2006.01)
CPC H01H 71/10 (2013.01) [H01H 33/60 (2013.01); H01H 71/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. 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.