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 |
| Use | Surge Arrester |
| Function | Protection |
| Type | D31 varistor |
| Diameter | 31mm |
| Color | Silvery gey,Brown |
| Brand Name | YONGDE |
| Model Number | D31 |
| 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 | Use | Surge Arrester |
| Function | Protection | Type | D31 varistor |
| Diameter | 31mm | Color | Silvery gey,Brown |
| Brand Name | YONGDE | Model Number | D31 |
| Certification | ISO9001/KEMA | Place of Origin | Zhejiang,China(Mainland) |
| High Light | zinc oxide varistor ，high voltage varistor | ||
Lower Voltage Zno Resistor Disc , Metal Oxide Varistor Disc D31
Product brief:
Excellent non-linear characteristics
Full face metalized electrodes.
100%production tested
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.
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.
Features:
Large 2000μs rectangular impulse absorption capacity.
Parameter specification:
| Type | D31 Metal Oxide Varistor(MOV) |
| Specification mm | D31*24 |
| Voltage Gradient V/mm | 210~235 |
| Square Wave Test Valve | 200 |
| 4/20μ S High Current Withstand kA | 65 |
| 8/20μ S high current withstand kA | 9.6 |
| DC1mA Refering Voltage kV | 5.3 |
| 0.75Times U1mA Leak current μ A < | 10 |
| Residual Votage Ratio | 1.78 |
| Aging Load Point Ratio% | 85 |
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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