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Radial Leaded Lightning Arrester Varistor Metal Voltage Dependent Resistor D72

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Radial Leaded Lightning Arrester Varistor Metal Voltage Dependent Resistor D72

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Brand Name : YONGDE

Model Number : D72

Certification : ISO9001/KEMA

Place of Origin : Zhejiang,China(Mainland)

MOQ : 1pcs

Price : negotiation

Payment Terms : T/T or western Union or L/C or PayPal, MoneyGram, D/P, D/A

Supply Ability : 30,000pcs per month

Delivery Time : 20 working days after received your payment

Packaging Details : carton

Product : Varistor

Application : Lightning Arrester

Function : Protection

Model : D72

Diameter : 72mm

Color : Silvery gey,Brown

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High-performance Metal Oxide Zinc Varistor Disc Manufacturers

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

Specifications:

Type: D72H22.5
Material: Zinc oxide
Demensions: diameter 72 mm , height 22.5mm
D.C reference voltage: 4.7±0.25 KV
Leakage current at 0.75 time D.C reference voltage: <50μA
Rated voltage: 3.32±0.2KV
Continuous operating current: 2.66KV
Long durationg(2ms rectangular) current impulse withstand: 1000A
4/10μs high current impulse withstand: 100KA
Residual voltage at nominal discharge current: 7.05±0.1KV/5KA
7.6±0.1KV/10KA
8.5±0.1KV/20KA
9.3±0.1KV/40KA
Accelerating aging coefficicent: <1.0

Radial Leaded Lightning Arrester Varistor Metal Voltage Dependent Resistor D72


Product Tags:

zinc oxide varistor

      

MOV metal oxide varistor

      
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