500E16PT25.5 - Potential Transformer Series

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Potential 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.

Property (Mouseover for details) Value
Ampere Rating (A) 0.5
VAC (V) 25800
Interrupting Rating 43.5 kA @ 25500 Vac
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