Hangzhou Yongde Electric Appliances Co.,Ltd
| 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 Model | Metal Oxide Varistor |
| Material | Zinc Oxide |
| Application | Surge Arrester |
| Function | Protection |
| Type | D62 varistor |
| Diameter | 62mm |
| Color | Silvery gey,Brown |
| Certificate | ISO9001/KEMA |
| Brand Name | YONGDE |
| Model Number | D62 |
| Certification | ISO9001/KEMA |
| Place of Origin | Zhejiang,China(Mainland) |
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Product Specification
| 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 Model | Metal Oxide Varistor | Material | Zinc Oxide |
| Application | Surge Arrester | Function | Protection |
| Type | D62 varistor | Diameter | 62mm |
| Color | Silvery gey,Brown | Certificate | ISO9001/KEMA |
| Brand Name | YONGDE | Model Number | D62 |
| Certification | ISO9001/KEMA | Place of Origin | Zhejiang,China(Mainland) |
| High Light | zinc oxide varistor ，high voltage varistor | ||
High-performance Metal Oxide Zinc Varistor Disc Manufacturers
Brief Description:
Metal oxide Varistor For surge arrester
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.
Technical specification:
| Type | D62 Metal Oxide Varistor(MOV) |
| Specification mm | D62*21.5 |
| Voltage Gradient V/mm | 210~235 |
| Square Wave Test Valve | 800 |
| 4/20μ S High Current Withstand kA | 120 |
| 8/20μ S high current withstand kA / 10 kA | 9.3 |
| DC1mA Refering Voltage kV | 5.35 |
| 0.75Times U1mA Leak current μ A < | 50 |
| Residual Votage Ratio | 1.73 |
| Aging Load Point Ratio% | 90 |
Note:
1. Metal oxide Varistor For surge arrester
2. Since 1983
3. ISO9001:2008
4. Good non-linear characteristics.
5. Full face metalized electrodes.
6. 100% production tested.
7. All ratings available,accept customized
Zinc Oxide Varistor is widely used in large filed of lightening protection,they are
specified according to the voltage range that they can tolerate without damage.
Other important parameters are the varistor's energy rating in joules, operating
voltage, response time, maximum current, and breakdown (clamping) voltage.
Energy rating is often defined using standardized transients such as 8/20
microseconds or 10/1000 microseconds, where 8 microseconds is the transient's
front time and 20 microseconds is the time to half value.
Company Details
Business Type:
Manufacturer
Year Established:
1993
Total Annual:
$17,364,156-$20,744,408
Employee Number:
100~250
Ecer Certification：
Verified Supplier
Hangzhou Yongde Electric Appliances Co.,Ltd was founded in 1993. As a high-new-tech enterprise in Zhejiang province, it is about 15 kilometers from downtown area. Our Company is one of the recommended model companies for national power grid construction and transformation. We specialize... Hangzhou Yongde Electric Appliances Co.,Ltd was founded in 1993. As a high-new-tech enterprise in Zhejiang province, it is about 15 kilometers from downtown area. Our Company is one of the recommended model companies for national power grid construction and transformation. We specialize...
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