Metal Oxide Varistor/Resistor for Counter and Monitor Df-4

China 
                        Metal Oxide Varistor/Resistor for Counter and Monitor Df-4
                      manufacture and supplier

Metal Oxide Varistor/Resistor for Counter and Monitor Df-4 image

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Quick Details

Metal Oxide Varistor/Resistor for Counter and Monitor Df-4

DF-4

L&R

ISO9001, SGS

ZnO

Column

High Voltage

Small

AC/DC System

Parallel Arrester

Zinc Oxide Arrester

Power Source Arrester

for Counter and Monitor

L&R or as per clients' requirements

Export Standard Pakage or as Per Your Reqirements

Wenzhou, Zhejiang

Product Details

Metal Oxide Varistor is the core of the arrester,which main component is Zinc Oxide and with a small quantity of bismuth oxide,Silicon.Oxide,
cobalt.oxide,nickel.oxide fluoride oxide,manganous carbonate,antimony oxide and other gleam of additive and made with high temperature.
Metal Oxide Varistor’s microstructure mainly constitute of Zinc Oxide grain,grain boundary layer and Chienshih phase. Ard 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. Varistor’s nonlinearity mainly comes from grain boundar layer (the main ingredient is bismuth oxide) Chienshih 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.

Metal oxide resistor for counter and monitor

Type Dimension mm D.C.U 1mA
voltage kV
Leakage
current0.75 U 1mA 
μA
8/20μsLightning impulse
residual voltage kV
Current impulse withstand A Counter action
8/20μs
A
Diameter High 5kA 10kA 2ms Rectangular 4/10μsHigh current
DF-4 93±1 7±0.5 0.5~0.7 10   1.1 1500 100 50~20000

Our products have being in service on electrical networks of more than more than 20 countries from 2005.

We had supplied our products and services to the below customers:

CHINESE STATE GRID,KENYA KPLC & REA,UGANDA REA & UMEME,TANZANIA TANESCO,GHANA ECG,SOUTH AFRICA ESKOM & ARB,NIGERIAL NEPA,COTE D’IVOIRE CI-ENERGIES,JORDAN EDCO & NEPCO,OMAN PDO,VIETNAM EVN,MEXICO IUSA,ECUADOR CELEC,NEPAL NEA,

……….

Here, We look forward to your joining.

Our factory had obtained ISO9001, ISO14001, OHSAS 18001, and almost of our products had been tested by CNAS certificated Laboratory, for example KEMA, Chinese National Lab, and etc
What can we do for you?

1) Good quality guarantee (2 years).

2) Competitive Price (Factory direct price).

3) Agent service in all the world.

4) On time delivery .

5) We offer sample for free.

6) Professional Technology .

7) Quality Control through the whole Manufacturing process.

 

a. Check the material before the production .

b. Have the random inspection during the production .

c. Make the 100% inspection before the shipment

We are China Metal Oxide Varistor/Resistor for Counter and Monitor Df-4 manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

Get Latest Price Request a quote

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