US 11,955,954 B2
Semiconductor circuit breaker
Woonghyeob Song, Anyang-si (KR); Jungwook Sim, Anyang-si (KR); and Chaeyoon Bae, Anyang-si (KR)
Assigned to LS ELECTRIC CO., LTD., Anyang-si (KR)
Appl. No. 17/606,945
Filed by LS ELECTRIC CO., LTD., Anyang-si (KR)
PCT Filed Mar. 19, 2020, PCT No. PCT/KR2020/003760
§ 371(c)(1), (2) Date Oct. 27, 2021,
PCT Pub. No. WO2020/222424, PCT Pub. Date Nov. 5, 2020.
Claims priority of application No. 10-2019-0050064 (KR), filed on Apr. 29, 2019.
Prior Publication US 2022/0209765 A1, Jun. 30, 2022
Int. Cl. H03K 17/081 (2006.01); H01C 7/12 (2006.01); H02H 9/00 (2006.01); H02H 9/04 (2006.01); H01C 7/108 (2006.01); H01C 7/112 (2006.01)
CPC H03K 17/08104 (2013.01) [H01C 7/12 (2013.01); H02H 9/005 (2013.01); H02H 9/04 (2013.01); H01C 7/108 (2013.01); H01C 7/112 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A semiconductor circuit breaker comprising:
a main circuit unit connected between a power source and a load, and provided with a semiconductor switch;
an enclosure having the main circuit unit embedded therein and a module accommodating unit provided at an outside thereof; and
a protection module detachably accommodated in the module accommodating unit,
wherein the protection module includes a first protection module and a second protection module,
wherein the module accommodating unit is provided with a connection socket connected to the power source or a ground, and
wherein the connection socket includes a first connection socket to which the first protection module is connected, and a second connection socket to which the second protection module is connected.