A4J30 combines the series platform with a Class J fast-acting current-limiting fuse; this configuration is rated 30A and 600VAC / 300VDC, suited to feeders, panelboards and general high-fault-current circuits in a cartridge / clip format.
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In feeders, panelboards and general high-fault-current circuits designs, Mersen A4J30 serves as a Class J fast-acting current-limiting fuse matched to the series architecture. Rated at 30A and 600VAC / 300VDC, this version uses cartridge / clip mounting and is characterized by Class J current limitation with 200kA AC and 100kA DC interrupting ratings. Confirm installation details and coordination against the official Mersen datasheet before design release.
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32A · 1500VDC
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32A · 1500VDC
USCC4I
30A · 600VAC / 600VDC
USCC4
30A · 600VAC / 600VDC
USCC3N
30A · 600VAC / 600VDC
USCC3IN
30A · 600VAC / 600VDC
USCC3I
30A · 600VAC / 600VDC
USCC3
30A · 600VAC / 600VDC