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+1 (217) 579-8045Potential Transformer (PT) fuses are current limiting fuses with high interrupting ratings designed for the protection of potential transformers.Application Note:When applying fuses for the protection of transformers, the magnetizing current inrush must be considered. The characteristics of the inrush, which can be matched with a fuse’s time-current curve, should be available from the transformer manufacturer.SpecificationsAmpere Rating (A)3VAC (V)5500Interrupting Rating50000A@5500VAC