Specified for focused applications, Mersen OT1 is a Class K5 fast-acting one-time fuse; the primary electrical envelope is 1A, 250VAC / 250VDC, for feeder, branch-circuit and resistive-load protection, using cartridge / clip mounting.
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Mersen positions OT1 in the OT family for feeder, branch-circuit and resistive-load protection, using a Class K5 fast-acting one-time fuse format. Electrical and mechanical selection centers on 1A, 250VAC / 250VDC, Class K5 fast-acting protection with a 50kA interrupting rating, and the cartridge / clip format. Use the listed dimensions, standards, approvals and official datasheet to verify fit before substitution.
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