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 | Varistor |
| Application | Lightning Arrester |
| Function | Protection |
| Model | D72 |
| Diameter | 72mm |
| Color | Silvery gey,Brown |
| Brand Name | YONGDE |
| Model Number | D72 |
| 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 | Varistor | Application | Lightning Arrester |
| Function | Protection | Model | D72 |
| Diameter | 72mm | Color | Silvery gey,Brown |
| Brand Name | YONGDE | Model Number | D72 |
| Certification | ISO9001/KEMA | Place of Origin | Zhejiang,China(Mainland) |
| High Light | zinc oxide varistor ，MOV metal oxide varistor | ||
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 |
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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