Home > Products > Components > Wenzhou Yika Zinc Oxide Varistor Block for 3-10KV Arrester Varistor Disc
Wenzhou Yika Zinc Oxide Varistor Block for 3-10KV Arrester Varistor Disc
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Product Details
| Place of Origin | Zhejiang, China | Brand Name | YIKA | |
| Model Number | D3-1, D3-2, D3-3 |
Carton with foam
Product Description
Zinc Oxide Varistor Block for 3-10KV Arrester Varistor Disc
The Zinc Oxide Block is the core of the arrester, whose main components 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 Varistor's microstructure mainly constitute of zinc oxide grain, grain boundary layer and chienshih phase, and its electric conduction principle lies that zinc oxide grain has good electro conductiility, and the voltage to the zinc oxide is almost act on high resistant grain boundary layer. Varistor's nonlinearity mainly comes from grain boundary 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.
| Common Metal Oxide resistor of 3-10kv arrester | |||||||||
| Type | dimension(mm) | D.C. U1mA Voltage | Leakage current 0.75U1mA | Residual voltage ratio U5KA/U1mA | Current Impulse withstand (A) | Non-linear ocefficient 10μA-1mA | Aging test 115℃, 1000h | ||
| diameter | height | (KV) | (μA) | Rectangular 2ms | high current 4/10μS | ||||
| D3-1 | 28±1 | 24±0.5 | 4.8-5.7 | 7 | 1.82 | 100 | ≥50 | 23 | Chargeability 85% |
| D3-2 | 31±1 | 24±0.5 | 4.8-5.7 | 7 | 1.80 | 120 | ≥55 | 22 | |
| D3-3 | 35±1 | 24±0.5 | 4.8-5.7 | 7 | 1.75 | 150 | 65 | 22 | |
Company Profile
Wenzhou Yika Electric Co.,Ltd. is a manufacturer of Fuse Cutout, Lightning Arrester, Insulator, Disconnector Switch, Circuit Breaker, Ring Main Unit etc. with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Electricity Distribution System and Substation and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Contact Us
- Wenzhou Yika Electric Co., Ltd.
- AddressRoom 601, Building A, Jingu Phase 2, Liushi Town
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| Components | Composite Insulator | Glass Insulator | Insulation Piercing Connector |
| Isolator Switch & Circuit Breaker | Lightning Arrester | New Products | Porcelain Insulator |
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