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Surge Protective Devices TRY1 series surge protective devices(SPD)are applied for the equal potential link of TT.IT. TN-S TN-V-S etc.low-low-voltage power syst |
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surge protective devices Normal operating voltage (Un): 220V / 380V Max cont operating voltage (Uc): 275V/320 / 385V /420V/600V Nominal discharge current (In): 20KA (8/20Us ) Maxima |
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