Within Mersen’s FES range, FESC250 is the 250A HRC-II Class C fast-acting fuse option for 600V AC / 460V DC circuits with 200kA AC / 40kA DC fault interruption for short-circuit and motor-controller back-up protection, with FESC bolt-in blade construction.
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FESC250 pairs a 250A rating with the HRC-II Class C fast-acting fuse characteristics of Mersen’s FES line. The electrical envelope covers 600V AC / 460V DC operation and 200kA AC / 40kA DC interrupt performance. Installation uses FESC bolt-in blade construction, while the series documentation cites IEC 269-2-1|BS 88 for compliance and selection.
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