Mersen OTS4 4A 600VAC/300VDC Class K5 Fast-Acting Fuse
● Contact for AvailabilityMersen OTS4 is built around a 4A Class K5 fast-acting fuse design rated 600V AC / 300V DC with 50kA AC/DC breaking capability using ferrule cartridge construction.

Mersen OTS4 is built around a 4A Class K5 fast-acting fuse design rated 600V AC / 300V DC with 50kA AC/DC breaking capability using ferrule cartridge construction.
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As part of the Mersen OTS range, OTS4 is configured as a 4A Class K5 fast-acting fuse. It is rated 600V AC / 300V DC and specified with 50kA AC/DC fault interruption. Its ferrule cartridge construction supports feeder, branch-circuit and resistive-load protection, with standards referenced as UL 248-9|CSA C22.2 No. 248.9.