FLNR400 provides the 400A rating point in the Littelfuse FLNR Series. This variant combines 250V AC / 125V DC operation with published 200kA AC interruption. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. Package and mounting details are included below; verify final use against the official datasheet.
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Part FLNR400 carries a 400A rating within the Littelfuse FLNR Series. Voltage and fault-current selection are defined by 250V AC / 125V DC and 200kA AC, respectively. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. The package is Class R, using Cartridge / Clip mounting and ferrule / blade (amp-dependent) terminals. Published dimensions are 219.1mm overall length; 50.8mm max body diameter. Typical applications include Motor, Transformer, Service Entrance, Feeder Circuits, General Purpose. Check the official Littelfuse datasheet before final coordination.
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