Patents Assigned to YM Tech Co., Ltd.
  • Patent number: 10790105
    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.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: September 29, 2020
    Assignee: YM Tech Co., Ltd.
    Inventors: Hyun Kil Cho, Su Pyo Hong, Seung Min Lee