Fuseblocks Semiconductor fuseblocks 1LFS and 1LS Series Specifications Voltage Rating: Ampere Range: Approvals: Insulator Base: 600 V 1 - 600 A UL Recognized 150 C general purpose phenolic Box Lug Terminal: Tin plated aluminum Ordering Information CATALOG/ AMPERE system RATING Number 1LFS101 Description Littelfuse modular style semiconductor fuseblocks accommodate a wide range of semiconductor fuses. Blocks are provided in pairs with fuse mounting hardware. 100 A WIRE RANGE WIRE RATING APPROVALS #2/0 - 14 CU/AL 120 in-lbs UL Recognized 1LFS102 400 A 250MCM - #6 CU/AL 275 in-lbs UL Recognized 1LS103 400 A 250MCM - #6 CU/AL 275 in-lbs UL Recognized 1LS104 600 A 500MCM - #6 CU/AL 375 in-lbs UL Recognized 1LS108 400 A 250MCM - #6 CU/AL 275 in-lbs Self-Certified 1LS109 400 A 250MCM - #6 CU/AL 275 in-lbs Self-Certified 1LS110 400 A 250MCM - #6 CU/AL 275 in-lbs Self-Certified Sample requests, downloadable CAD drawings and other technical information: www.littelfuse.com/1lfs * Modular design reduces inventory requirements * Sold in pairs for convenience Recommended Fuses * Constructed of molded phenolic (with plated steel studs) Wide range of semiconductor fuses............................pg. 67-80 Dimensions in inches (mm) Dimensions for reference only. 1LFS102 1LFS101 (c) 2010 Littelfuse POWR-GARD(R) Products Catalog 121 www.littelfuse.com 6 Semiconductor Fuseblocks Web Resources Features/Benefits