LLNRK350 is the 350A option in the Littelfuse LLNRK Series, rated for 250V AC / 125V DC. Key electrical traits include POWR-PRO Class RK1 fuse operation and 200kA AC fault-current capability. Use the Littelfuse datasheet to verify final circuit suitability.
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Littelfuse LLNRK350 is a 350A Dual-Element Time-Delay Class RK1 Fuse in the LLNRK Series, with a 250V AC / 125V DC electrical rating. Installation uses cartridge / clip hardware and ferrule / blade (amp-dependent) contacts; the principal interrupting rating is 200kA AC. Published dimensions for this rating/configuration are 219.1mm length; 53.2mm max body diameter. POWR-PRO Class RK1 construction emphasizes very strong current limitation for equipment-protection upgrades. The listed application set includes general-purpose circuits, Motor, Transformer, Safety Upgrades; final coordination should follow UL 248-12|Federal Specification WF-1814 and Littelfuse documentation.
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