An open fuse cutout has a built-in lightning arrester. A supporting insulator has an attachment hole extending substantially perpendicularly to the axis thereof with the lightning arrester element fixedly fitted in the attachment hole. The lightning arrester element has a charging electrode held in abutment against either one of upper and lower electrodes, and a grounding electrode confronting a grounding member across a spark gap.
申请公布号
US4542363(A)
申请公布日期
1985.09.17
申请号
US19840605956
申请日期
1984.05.01
申请人
NGK INSULATORS, LTD.;TAKAMATSU ELECTRIC WORKS, LTD.