Mersen FESC500 belongs to the FES family and is specified as a 500A HRC-II Class C fast-acting fuse combining 600V AC / 450V DC ratings and 200kA AC / 40kA DC interrupt performance for short-circuit and motor-controller back-up protection, with FESC bolt-in blade construction.
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The FESC500 model combines Mersen FES construction with a 500A HRC-II Class C fast-acting fuse rating. Rated duty is 600V AC / 450V DC, supported by 200kA AC / 40kA DC breaking capacity. 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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