POWR-GARD Fuse L25S SERIES TRADITIONAL HIGH-SPEED 250 V ac Very Fast-Acting 1800 A Specifications Voltage Ratings Ac: 250 V Dc: 200 V250 V Ampere Range 1 - 800 A Interrupting Rating Ac: 200 kA Dc: 20 kA Self Certified Approvals UL Recognized (File: E71611) CSA Recognized (File: LR29862) Time Constant 10ms Material Body: Melamine Caps: Copper Alloy (Silver Plated) Description Environmental RoHS Country of Origin Mexico The L25S Series is a traditional North American Bolted style high-speed fuse for protection of power semiconductor Operating Temperature -55 C to +125 C devices that are rated up to 250 V ac and 200 V dc. Storage Temperature Up to 35 C with Relative Humidity <65 % Littelfuse POWR-SPEED products offer optimized circuit Part Numbering System protection at the extremely fast speed required to protect power semiconductor devices such as silicon controlled L25S xxx .T rectifiers (SCRs), diodes, thyristors, triacs, transistors, and similar solid-state devices. These devices are used in power Series equipment including variable speed drives, power rectifiers, Package Quantity UPS systems, dc power supplies, and in a wide range of T = (1 A 60 A) Amperage electronic equipment. May be used wherever extremely V = (70 A 800 A) (3 digit minimum) fast-acting, current-limiting fuses are used with no time delay required. CATALOG ORDERING SERIES AMPERAGE NUMBER NUMBER Features/Benefits L25S 1 L25S001 L25S001.T Compliance with US and Canadian requirements L25S 100 L25S100 L25S100.V Traditional North American Bolted Style dimensions Class aR performance Direct bus-bar mount or stud mount design Recommended Fuse Holders RoHS compliant applications 1LFS101/1LFS102 LSCR001/LSCR002 Applications Web Resources Power converters (inverters, rectifiers, UPS) Power supplies For additional information, visit: littelfuse.com/high-speed Industrial heaters Note: High-Speed fuses are designed for fixed installations. They Variable speed drives are not intended for use in moving vehicle applications. Battery chargers Soft starters Littelfuse.com/L25S Rev: 050319 1 of 11 2019 Littelfuse, Inc. POWR-GARD Fuse L25S SERIES TRADITIONAL HIGH-SPEED Electrical Specifications VOLTAGE RATING INTERRUPT RATING CATALOG NUMBER AMPERAGE RATING AC DC AC DC L25S001 1 250 250 200 kA 20 kA L25S002 2 250 250 200 kA 20 kA L25S003 3 250 250 200 kA 20 kA L25S004 4 250 250 200 kA 20 kA L25S005 5 250 250 200 kA 20 kA L25S006 6 250 250 200 kA 20 kA L25S008 8 250 250 200 kA 20 kA L25S010 10 250 250 200 kA 20 kA L25S012 12 250 250 200 kA 20 kA L25S015 15 250 250 200 kA 20 kA L25S020 20 250 250 200 kA 20 kA L25S025 25 250 250 200 kA 20 kA L25S030 30 250 250 200 kA 20 kA L25S035 35 250 250 200 kA 20 kA L25S040 40 250 250 200 kA 20 kA L25S045 45 250 250 200 kA 20 kA L25S050 50 250 250 200 kA 20 kA L25S060 60 250 250 200 kA 20 kA L25S070 70 250 250 200 kA 20 kA L25S080 80 250 250 200 kA 20 kA L25S090 90 250 250 200 kA 20 kA L25S100 100 250 250 200 kA 20 kA L25S125 125 250 250 200 kA 20 kA L25S150 150 250 250 200 kA 20 kA L25S175 175 250 250 200 kA 20 kA L25S200 200 250 250 200 kA 20 kA L25S225 225 250 200 200 kA 20 kA L25S250 250 250 200 200 kA 20 kA L25S275 275 250 200 200 kA 20 kA L25S300 300 250 200 200 kA 20 kA L25S350 350 250 200 200 kA 20 kA L25S400 400 250 200 200 kA 20 kA L25S450 450 250 200 200 kA 20 kA L25S500 500 250 200 200 kA 20 kA L25S600 600 250 200 200 kA 20 kA L25S700 700 250 200 200 kA 20 kA L25S800 800 250 200 200 kA 20 kA Littelfuse.com/L25S Rev: 050319 2 of 11 2019 Littelfuse, Inc.