- Nanyang Keda Electric Co.,Ltd.
-
Nanyang, Henan, China
- Main products: zinc oxide varistor, MOV, ZnO varistor , surge arrester , lightning arrester , surge arrester core , ZnO varistor group , ZnO resistor , ZnO block, arrestor , surge arrestor , lightning arrestor
Home > Products > high gradient zinc oxide varistor > High Gradient Zinc Oxide Varistor
High Gradient Zinc Oxide Varistor
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Product Details
| Brand Name | KEDA Electric | Place of Origin | China | |
| Model Number | Diameter 60mm to 85mm |
Product Description
Superior electrical performance:
Using the original raw material formula, the unique chemical co-precipitation process, the unique sintering, double-face vertical grinding pads and fully automatic patented aluminum spraying technology, the produced resistor chip guarantees its high current tolerance and also takes into account its aging characteristics. It can be installed in various insulation media, and the resistors are common to both AC and DC. The company has successfully developed a high-gradient resistor with a potential gradient of 350V / mm, which reduces the insulation level and meets customers' design requirements for miniaturization of GIS surge arresters.
| Main Specification of high gradient Metal Oxide Varistor | |||||||||||
| Type | Overall dimension (mm) | D.C.reference voltage U1mA （reference current is 1mA）(kV) | (UxkA/U1mA D C) Max. ratio of residual voltage (UxkA/U1mA D C) (at 8/20μs) | Current impulse withstand capability | Recommend-ed rated voltage UR (kVrms) | Recommended max. continuous operating voltage(MCOV)and peak value of resistive current under MCOV | Aging Coefficient | ||||
| Outer diameter | Inner diamter | Height | 4/10μs (kA) | 2ms (A) | MCOV (kV) | IR (μA) | |||||
| MOV60×22.5 | 60.0±1.0 | 22.5±1.0 | 6.3-8.1 | 1.66(at 10kA) | 100 | 400/500 | U1mA/√2 | UR×0.8 | 220 | ＜0.96 | |
| MOV71×22.5 | 71.5±1.0 | 22.5±1.0 | 6.3-7.9 | 1.60(at 10kA) | 600/800 | 250 | |||||
| MOV71/26×22.5 | 71.5±1.0 | 26.0±1.0 | 22.5±1.0 | 6.3-7.9 | 1.65(at 10kA) | 500/600 | 250 | ||||
| MOV85/26×22.5 | 85.5±1.0 | 26.0±1.0 | 22.5±1.0 | 6.3-7.9 | 1.58(at 10kA) | 800/900 | 250 | ||||
| MOV85×22.5 | 85.5±1.0 | 22.5±1.0 | 6.3-7.9 | 1.55(at 10kA) | 900/1000 | 320 | |||||
Contact Us
- Nanyang Keda Electric Co.,Ltd.
- Contact nameCarol Yang Chat Now
- AddressZhenping county, Nanyang, Henan
Product Categories
| MOV | Zinc Oxide Varistor（AC） | zinc oxide varistor (DC） | high gradient zinc oxide varistor |
| surge arrester core group | surge arrester |
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