1.Service conditions Ambient air temperature: -50 centigrade ~ +50 centigrade The altitude ≤ 1000m, if higher, amend according to IEC 60137 The creepage ratio20mm/kV, 25mm/kV or 31mm/kV
2. Technical indexes Rated voltage ( Ur ): 33kV, 52kV, 72.5kV, 123kV, 145kV, 170kV, 245kV Rated current ( IR ): ≤ 4000A Partial discharge: ≤ 5PC Dielectric dissipation factor: ≤ 0.004 Ith: 25IR All parameters are in accordance with IEC 60137
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