The OT40 model from Mersen provides a Class K5 fast-acting one-time fuse, with a 40A current rating and 250VAC / 250VDC, suited to feeder, branch-circuit and resistive-load protection in a cartridge / clip format.
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Designed around feeder, branch-circuit and resistive-load protection, OT40 combines the OT platform with Class K5 fast-acting one-time fuse characteristics. The model carries a 40A rating with 250VAC / 250VDC; Class K5 fast-acting protection with a 50kA interrupting rating is paired with cartridge / clip mounting. Confirm installation details and coordination against the official Mersen datasheet before placing it into a design.
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