3KV Compact Polymer Housing Lightning Arrester for Power Transformers / Distributors Protection

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3KV High Quality Polymer-housed Surge Arrester with KEMA




The lighting arrestor is the most advanced over-voltage protector. It is widely used as protective

devices against switching and lightning over voltages in power electrical systems such as power transformers, distributors,generators, compensation capacitors. Its core component--resistance slice adopts the material including zinc oxide and many kinds of metal oxides, compared with traditional silicon-carbide arrester, its volt-ampere characteristic of resistance slice has been improved to great degree, as well as the current-transmit ability of resistance slice, as a result, the capability of arrester has been improved basically and thoroughly.




1. Compact and Lightweight

2. Extremely Safe Pressure Relief Performance

3. Superior Performance against Environmental Contamination

4. Directly Molded Structure

5. Compliance with International Standards(IEC60099-4)

6. Simple Support Structure

7. Manufactured at Advanced ISO-9001 certified facilities




1. Distribution networks

2. Transmission line

3. Substation

4. Railway power station

5. Alternator and electromotor




1. Lightning arresters 10kA/Surge arrestors 3kV/China manufacture/more than 20years experience
2. Since 1993years


Type YH10W5-3/8.1 4/10µS High current impulse kA 100
Rated voltage---------kV 3 Lightning impulse withstand kV 60
MOCV ----------------kV 2.55 Power frequency voltage withstand(dry/wet)kV 10
Nominal Current-------kV 10 0.1S TOV--------------kV 3.6
Residual voltage of steep impulse----at 5kA(kV) 9.2 1S TOV----------------kV 3.45
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) 8.5 10S TOV---------------kV 3.3
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) 6.3 1200S TOV-------------kV 3
1mA D.C reference voltage (kV) 4.24 Creepage distance ----mm 272
Line discharge level 1 Material employed in series non-linear resistor Zinc Oxide
2mS long duration impulse current A 400 Material of housing silicon rubber

Lightning arrester.JPG


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Hangzhou Yongde Electric Appliances Co.,Ltd
Yinghu Economy Developing Zone,undefined,undefined, Hangzhou, Zhejiang, China (Mainland)
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