Zinc Oxide Varistor Disc for Lightning Surge Arresters

China Zinc Oxide Varistor Disc for Lightning Surge Arresters, Find details about China ZnO Resistor, Varistor from Zinc Oxide Varistor Disc for Lightning Surge Arresters

Model NO.
D35
HS Code
85353000
Model NO.
D35
HS Code
85353000

Description: 
Zinc oxide varistor is the core of the arrester,which main component is Zinc Oxide and with a small quantity of bismuth oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.

Metal oxide Varistors microsturcture mainly constitute of Zinc Oxide grain, grain boundary layer and chienship phase. And its electric conduction principle lies that Zinc Oxide grain has good electro conductibility, and the voltage to the Zinc Oxide is almost act on high resistant grain boundary layer. Varistors nonlinearity mainly comes from grain boundary layer(the main ingredient is bismuth oxide) chienship phase scattered throughout the grain boundary layer which is the multiple oxide of Zinc Oxide and bismuth oxide. Its function lies in restraining the growing of Zinc Oxide grain to make the better nonlinearity.
 

Features:
Large 2000μs rectangular impulse absorption capacity; Large 4/10μs high current impulse withstand.
 

Technical parameter:

TypeD35 Metal Oxide Varistor(MOV)
Dimensions mmD35*24
Voltage Gradient V/mm210~235
Square Wave Test Valve250
4/20μ S High Current  Withstand  kA80
8/20μ S high current withstand kA8.9
DC1mA Refering Voltage kV 5.6
0.75Times U1mA Leak current μ A <10
Residual Votage Ratio1.75
Aging Load Point Ratio%85

 

Zinc Oxide Varistor Disc for Lightning Surge Arresters

Zinc Oxide Varistor Disc for Lightning Surge Arresters

Zinc Oxide Varistor Disc for Lightning Surge Arresters

Zinc Oxide Varistor Disc for Lightning Surge Arresters

Zinc Oxide Varistor Disc for Lightning Surge Arresters