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  3. Traditional metal oxide surge arrester 常規金屬氧化物避雷器

    Traditional metal oxide surge arrester 常規金屬氧化物避雷器
     Metal Oxide Surge Arresters (MOA) without Gaps for A.C. Systems MOA is composed of metal oxide varistors, housing (porcelain or silicon rubber), base, upper cover, grading ring etc. Our products have excellent performance in accordance with IEC international standard IEC600 99-4(2006) and China National Standard GB11032-2010 for “Alternating Current Gapless MOA”. Polymeric housed MOA manufactured by AMTECH features small size, low weight, simple manufacturing process, good sealing, explosion-proof, long working life, wounded-proof, high pollution resistance and reduced line maintenance, etc. Transmission Line MOA Line-suspended type polymeric housed MOA of 10~220kV range can be used in area where lightning activity is frequent, soil resistance is high, or tower-footing impedance is high and difficult to lower the soil resistance. It can improve the lightning protection level and greatly minimize problems that may bring about by lightning strikes. Insul...
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