Chống Sét Trung Thế - HT Surge Arrester
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Type of PRECISE's arresters
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LAZ-P
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PAZ-P-1
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PAZ-P-2
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PAZ-P-3
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Applied standard
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IEC 60099-4
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| Type of surge arresters |
ZnO gapless
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| Rated voltage : Ur (kV) |
3 - 45
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Maximum continuous operating Voltage : Uc (kVrms) |
0.8 Ur
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| Rated frequency (Hz) |
48 - 62
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| Norminal discharge Current (kApeak) |
5
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10
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| Line discharge class |
Distribution
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1
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2
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3
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| Housing material of Surge arrester |
Silicone
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Pollution level of creepage distance (Standard IEC 60071-2) |
III Or IV
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Energy absorption capability (kJ/kV.Ur within one minute) |
1.15*
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1.27*
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2*
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5
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| Presure relief current (kArms) |
16
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20
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40
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* The other Specification is upon customer requesition
The precise's surge arresters type LAZ-P, PAZ-P-1, PAZ-P-2 and PAZ-P-3
with silicone housing were developed for medium voltage distribution
system. The surge arresters have manufactured certificate ISO 9001 and
successfully pass the test requirements according the latest version of
IEC 60099-4 Both LT and HT surge arresters are available to limit
overvoltage and to protect the equipment and shall be installed list
below:- At the cable sealing ends
- At Transformer station secondary side and primary side
- At the end line and or long branch line
