| 摘要 |
The present invention relates to a magnetic contractor capable of efficiently preventing the arc generation by switching a terminal inside insulating oil by filling the insulating oil inside which includes: a case which is classified into an upper frame and a lower frame; a fixation core which is fixated to the lower frame by having a coil; a movable core which is arranged in an upper side of the fixation core and is sucked or separated to/from the fixation core according to the magnetization of the fixation core; a movable module which consists of a lower movable bar fixated to the movable core, an upper movable bar arranged apart from the lower movable bar with a predetermined distance and a connection bar which connect the lower movable bar and upper movable bar and moves along with the movable core; an oil box which is fixated to the upper frame in between the lower movable bar and upper movable bar and has the insulation oil filled inside thereof; a cross bar which is fixated to the upper movable bar and is engaged to an upper end of the oil box while sealing the upper part of the oil box; a fixation terminal of which one end is inserted into the oil box and of which the other end is fixated to the oil box and upper frame to be exposed out of the upper frame; and a movable terminal which is fixated to a lower end of the cross bar inside the oil box, is in contact and is separated to/from the fixation terminal according to the movement of the movable module. |
