Specified for focused applications, Mersen OT7 is a Class K5 fast-acting one-time fuse; electrical selection centers on 7A and 250VAC / 250VDC, suited to feeder, branch-circuit and resistive-load protection in a cartridge / clip format.
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Mersen positions OT7 in the OT family for feeder, branch-circuit and resistive-load protection, using a Class K5 fast-acting one-time fuse format. For coordination, the page records 7A, 250VAC / 250VDC, Class K5 fast-acting protection with a 50kA interrupting rating, plus the cartridge / clip connection style. Confirm installation details and coordination against the official Mersen datasheet before placing it into a design.
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