ZHEJIANG SIGE ELECTRIC CO.,LTD. |
At nnormally working via fusellink tightened the fuse tube is fixed to form up of close position,In case system occure faults,fault current result guishing melt immediately and take place electric arc ,which let arc-extin-guishing tube being heated and explode a lot of gas,this Will produce high pressure and blow off the arc along with tube,After fuselink melt moving contact has no tightened sstrenngth again mechianism is locked ad fuse tube drop out,Cutout now is in open position,When it needs to switch on or off during cutout loading ,operator shall via insulating operaating bar pull the moving contact.