1.Used to cutoff negative electricity,protect transformer from overload and broken circuit
2.self manufacture at lower price

1.is used to high voltage,protect power transformer from broken circuit at the exit and internal breakdown,switch off the mini current

2.made of procenlian,synthetic rubber,pouring style

3.technical parameter:

   rated voltage:12kv

   max. working voltage:15kv

   rated current:100-200A

   rated switch-off current:6.3-12.5kA

   Min.switch-off current:5Afusing fiament

   power frequency dry resisting voltage:42kv

   power frequency wet resisting voltage:34kV

   Impulse resisting voltage:90KV

4.meets ISO9001

5.brass accessories which have good conduction

6.upper connector is silver plating