BUSSMANN Effective June 2016 Supersedes March 2004 Technical Data 1037 SERIES Stud-mounted fuses one-time Catalog symbol: ALS-_ Catalog numbers (amps) Description: Bussmann® series stud-mounted, one-time fuse. Specifications: ALS-100 ALS-225B ALS-300B ALS-450 ALS-175 ALS-250 ALS-350 ALS-500 ALS-200 ALS-250B ALS-350B ALS-500B ALS-200B ALS-300 ALS-400 ALS-550 ALS-225 ALS-300A ALS-400B ALS-600 Ratings Volts - 125 Vdc (or less) 130 Vdc - (100-175 A) • 80 Vdc - (300A) • • 48 Vdc - (200-250 A), (350-500 A) • Amps - 100-600 A • Interrupting rating • • 10 kA - (100-175 A) • 5 kA - (200-500 A) Agency information UL® Recognized, Guide JFHR2, File E56412 • Dimensions: A B E C F D G Dimensions - in: System voltage ALS 100-175 ALS 200-500 ALS 550-600 A B C D E F G 3.5 3.5 2.41 0.75 0.312 1.06 1.13 88.9 88.9 61.1 19.1 7.92 26.85 28.6 3.75 2.7 2.25 0.75 0.375 1.06 1.13 95.3 68.6 57.2 19.1 9.53 26.85 28.6 4.25 2.38 2.38 1.25 0.531 1.59 1.81 107.95 60.5 60.5 31.75 13.5 40.4 46.1 Technical Data 1037 Stud-mounted fuses one-time Effective June 2016 Amp rating 600 500 300 200 100 100 Time-current curves—average melt Time in seconds 10 1 1000 100 10 0.01 4000 0.1 Current in amps x 10 The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2016 Eaton All Rights Reserved Printed in USA Publication No. 1037 – SB04068 June 2016 For Eaton’s Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries Eaton, Bussmann and Low-Peak are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior Follow us on social media to get the latest product and support information. written consent of Eaton. UL is a registered trademark of the Underwriters Laboratories, Inc.