The Shawmut A055F2D0R0-400E is a high‑voltage fuse from Shawmut, rated for 400 A and 5.5 kV. The part number A055F2D0R0-400E identifies this specific fuse variant within Shawmut’s line, providing overcurrent protection for circuits operating at up to 5.5 kV. This fuse is designed to interrupt fault conditions in high‑voltage power systems when current exceeds the rated 400 A.
