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1.what is the basic difference between surge arrestor and
lightning arrestor and where we use it.
1.what is the difference between metal oxide without gapped
lightning arrestor and with gapped lightning arrestor
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Answer Posted / eee
surge arrestor: these are capacitive/ solid state devices
which prevents sudden rise in voltage (max 2Vrated)
lightning arrestors: these are nonlinear elements, provides
high impedance in normal working, very low impedance at very
high voltage (lightning)....
withgap metal oxide will have higher voltage carrying
capacity. then the without gap MO.....
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