For replacement or design work, compare Mersen A2K500R, a 500A class rk1 fast-acting fuse rated 250 VAC / 250 VDC, with the published voltage duty and series protection profile for OEM sourcing.
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Mersen A2K500R is a 500A class rk1 fast-acting fuse in the A2K-R family, rated 250 VAC / 250 VDC. Part of Mersen’s application-focused fuse portfolio, its series-specific speed and construction support accurate replacement and new-design selection. Its blade configuration supports power distribution, lighting, feeder circuits. Match the mounting style and current rating to the equipment manufacturer’s requirements. FuseStock lists the manufacturer reference for sourcing and technical comparison.
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