Within its Mersen family, HSJ70 is a Class J high-speed current-limiting fuse; electrical selection centers on 70A and 600VAC / 500VDC, suited to drives, motor controllers and power-semiconductor circuits in a blade format.
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HSJ70 belongs to Mersen’s HSJ range and is configured as a Class J high-speed current-limiting fuse for drives, motor controllers and power-semiconductor circuits. For coordination, the page records 70A, 600VAC / 500VDC, low-I²t Class J protection with 200kA AC and 100kA DC interrupting ratings, plus the blade connection style. Confirm installation details and coordination against the official Mersen datasheet before design release.
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