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DONG FENG HIGH VOLTAGE ELECTRIC CO.,LTD

 
 
fuse cut out 

  Category : Electronic and electrical->Electric products->other->fuse

     
fuse cut out
 
 
       

  Product Specification
 
  Model No:      PD
  Country  China
  Brand  Dongfeng
  Materials  porcelain and copper
  Size  48 X 35 X 10.5 cm    
  Weight  8.5KG
  Color  white
  Packing  carton/wooden
  Minimum Order  no limit
  Payment Term  T/T or L/C
  Rated voltage  10-33 KV
  Rated current  100-200 A
   Leakage distance  220-720 mm

 

    Product Detail
  Cut-out fuse cutout and load switching fuse cutout are of outdoor used high
voltage protective device. To be connected incoming feeder of distribution
transformer or distribution lines it mainly protect transformer or lines from
short circuit and overload, and on / off loading current. Drop-out fuse cutout
is composed of insulate insulator supports and fuse tube, static contacts
is fixed on two sides of insulator support and moving con-tube, tact is
installed on two ends of fuse tube.

Fuse tube is composed f inside arc-extinguishing tube outer phenolic
compound paper tube or epoxy glass tacts and arc-extinguishing enclosure
for switching on / off loading current.

At normally working via fusel link tightened the fuse tube is fixed to form
up of close position. In case system occur faults, fault current result
guishing melt immediately and take place electric arc, which let
arc-extinguishing tube being heated and explode a lot of gas, this Will
produce high pressure and blow off the arc along with tube. After fuse link
melt moving contact has no tightened strength again mechanism is locked
and fuse tube drop out. Cutout now is in open position. When it needs to
switch off during cutout loading, operator shall via insulating operating bar
pull the moving contact, at its beginning the auxiliary static contact is
contacted still, whiling pulling the auxiliary contact is separated between
auxiliary contacts there occur electric arc and the arc-extinguishing
explode gas to blow off the arc during current passing zero.

Packing:
Carton, wooden

   


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