Abstract: A direct current (DC) switching apparatus is provided. The DC switch apparatus includes an auxiliary contact device includes at least one pair of stationary contacts; one or more coils, a movable iron core that is driven by the one or more coils; a movable contact table operating in engagement with the movable iron core, and an auxiliary contact device arranged below the movable iron core. The auxiliary contact device includes a microswitch.
May 14, 2020
Date of Patent:
September 29, 2020
YM Tech Co., Ltd.
Hyun Kil Cho, Su Pyo Hong, Seung Min Lee