Mersen positions A25X300-4TI as a 250–300VAC high-speed semiconductor fuse; electrical selection centers on 300A and 250–300VAC, intended for heavy-duty rectifiers and semiconductor converters and built around bolted blade mounting.
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A25X300-4TI is a A25X product from Mersen, built as a 250–300VAC high-speed semiconductor fuse for heavy-duty rectifiers and semiconductor converters. For coordination, the page records 300A, 250–300VAC, low-I²t current-limiting semiconductor protection, plus the bolted blade connection style. For replacement or new builds, compare the mounting details with the linked manufacturer documentation.
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