The Littelfuse KLLU Series catalog number KLLU1600 is rated 1600A for 600V AC / 300V DC service. The fuse uses Class L time-delay fuse technology with 200kA AC rated interruption on the primary AC rating. Use the Littelfuse datasheet to verify final circuit suitability.
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Littelfuse identifies KLLU1600 as a 1600A KLLU Series fuse for 600V AC / 300V DC applications. For installation, use the specified blade arrangement; the Class L device is rated for 200kA AC interruption. Published dimensions for this rating/configuration are Class L bolted-blade frame; dimensions vary by ampere rating. Its high-current Class L construction is designed for coordinated power-distribution protection. The listed application set includes Service Switches, Switchboard Mains, Motor Control Center, Large Motor Branch Circuits, Circuit Breaker Protection; final coordination should follow UL 248-10 and Littelfuse documentation.
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