The OT125 model from Mersen provides a Class K5 fast-acting one-time fuse, rated 125A at 250VAC / 250VDC, suited to feeder, branch-circuit and resistive-load protection in a blade format.
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Designed around feeder, branch-circuit and resistive-load protection, OT125 combines the OT platform with Class K5 fast-acting one-time fuse characteristics. Its electrical rating is 125A at 250VAC / 250VDC, with Class K5 fast-acting protection with a 50kA interrupting rating and blade construction. Confirm installation details and coordination against the official Mersen datasheet before placing it into a design.
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