Part LLNRK200 is a 200A member of the Littelfuse LLNRK Series with a 250V AC / 125V DC rating. The construction uses POWR-PRO Class RK1 fuse characteristics and a 200kA AC primary interrupting rating. Use the Littelfuse datasheet to verify final circuit suitability.
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LLNRK200 is Littelfuse’s 200A configuration in the LLNRK Series, built as a Dual-Element Time-Delay Class RK1 Fuse for 250V AC / 125V DC service. The physical format is Class R; mounting is cartridge / clip, with ferrule / blade (amp-dependent) termination and 200kA AC rated interruption. Published dimensions for this rating/configuration are 181.0mm length; 40.5mm 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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