27KV Lightning Arrester
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Price:
Negotiable
- minimum:
- Total supply:
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Delivery term:
The date of payment from buyers deliver within days
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seat:
Zhejiang
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Validity to:
Long-term effective
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Last update:
2023-09-01 21:12
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Browse the number:
481
Company Profile
Cowin Electrical Co.,Ltd.By certification [File Integrity]
Contact:drele(Mr.)
Email:
Telephone:
Phone:
Area:Zhejiang
Address:Zhejiang
Website:http://www.cowin-electrical.com/ http://drele.ammc88.com/
Product Details
PORCELAIN SURGE ARRESTER
Product Picture
Polymer Housed Metal Oxide Arrester Lightning
Metal-Oxide lighting arrester is one kind of most world advanced overvoltage protector at present. Due to it score components of resistance applying Zno and other metal oxide to make of, comparing with traditional carborundum arrester, it improves greatly V-A characteristics of Resistance, increases the getting through ability of resistance, thereby it brings fundamental Under normal working voltage, the current passing arrester only A class, when bearing overvoltage, the excellent non-linear V-A features of arrester would make effect, the current passing through the arrester increase high to thousands of Ampere instant, the arrester is under getting through state, to release over-voltage energy, therefore it effective limits the damage to power transmission equipment due to overvoltage.
Condition of Use
This product is used in the exchange of 220KV and below power generation, transmission, substation, distribution systems, and systems for the internal operation of the lightning over-voltage amplitude is limited to a predetermined level, the whole system insulation system with basic equipment. Meanwhile, the product can not be used to limit the resonance over-voltage, harmonic elimination systems need to adopt other ways.
Standards
IEC60099-4: Surge arresters Part 4: Metal-oxide surge arresters without gaps for a.c. systems
JB/T8459-2006 Arrestor Model Methodology
GB11032-2000: AC gapless metal oxide arrester
JB/T9762-2005: series gap metal oxide surge arresters
DL/T620-1997: AC overvoltage protection and insulation of electrical installations
http://www.cowin-electrical.com/
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