Within its Mersen family, A100P400-4 is a 1000VAC/750VDC high-speed semiconductor fuse; electrical selection centers on 400A and 1000VAC / 750VDC, supporting UPS systems, AC/DC drives and high-voltage power electronics with a bolted blade connection style.
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A100P400-4 belongs to Mersen’s A100P range and is configured as a 1000VAC/750VDC high-speed semiconductor fuse for UPS systems, AC/DC drives and high-voltage power electronics. For coordination, the page records 400A, 1000VAC / 750VDC, low-I²t current-limiting semiconductor protection, plus the bolted blade connection style. Selection should be finalized against the official datasheet, especially when matching existing holders or terminals.
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