POWR-GARD® Blocks and Holders Datasheet 1LFS SERIES HIGH-SPEED FUSE BLOCKS 600V • 1-400 A Specifications Voltage Rating 600 V Ampere Range 1 – 400 A Approvals UL Recognized E14721 Material Base: 150˚ C general purpose phenolic Terminal: Tin plated aluminum Web Resources Download CAD drawings and other technical information: littelfuse.com/1lfs Description Dimensions Inches (mm) Littelfuse modular style semiconductor fuse blocks accommodate a wide range of semiconductor fuses. Blocks are provided in pairs with fuse mounting hardware. 1LFS101 Features/Benefits • Modular design reduces inventory requirements • Sold in pairs for convenience • Constructed of general purpose phenolic (with tin plated aluminum terminations) Ordering Information CATALOG AMPERE NUMBER RATING WIRE RANGE WIRE RATING APPROVALS 1LFS101 100 A #2/0 - 14 CU/AL 120 in-lbs UL Recognized 1LFS102 400 A 250MCM - #6 CU/AL 275 in-lbs UL Recognized 1LFS102 Recommended Fuses 1LFS101 FUSE SERIES AMPERE RATINGS L15S L25S L50S L60S KLC 70-100 35-100 35-100 35-100 1-100 FUSE SERIES AMPERE RATINGS L15S L25S L50S L60S 70-400 70-200 125-200 125-200 1LFS102 littelfuse.com 1 of 1 © 2015 Littelfuse POWR-GARD® Products Rev: 040615