Detailed Product Description

ZN23.40.5 super-long lifetime vacuum breaker is a kind of indoor high-voltage electric equipment with rated pressure40.5Kv,triphase AC 50Hz.It applies in Industrial and mining establishment ,substation and other electrical power transmission and distribution systems which controls and protects switch ,especially in metallurgy, arc process and other industries that needs frequent operation to control and protect device.

Using conditions,

a.                 ambient air temperature , upper limit +40 , lower limit -30 (general area), -40 (super cold area)

b.                 elevation≤1000If there is any need to increase the elevation, the rated insulation level should be increased properly

c.                 wind pressure, less than 700pa(the same as 34m/s wind speed)

d.                 amplitude, earthquake intensity less than 8

e.                 pollution level, level 3

f.                 highest daily temperature ,less than 25