Part KLLU1400 is a 1400A member of the Littelfuse KLLU Series with a 600V AC / 300V DC rating. 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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KLLU1400 is Littelfuse’s 1400A configuration in the KLLU Series, built as a Time-Delay Class L Current-Limiting Fuse for 600V AC / 300V DC service. 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.
DNESS8-S8J-1400
1400A · DC1500V
K6F030
30A · 600VK6F-R030
30A · 600VK6F-R025
25A · 600VK6F025
25A · 600VK6F-R015
15A · 600VK6F-R020
20A · 600VK6F015
15A · 600V
