BUSSMANN
Effective June 2016
Technical Data 1037 Supersedes March 2004
SERIES
Stud-mounted fuses one-time
Catalog symbol: ALS-_
Catalog numbers (amps)
ALS-100 ALS-225B ALS-300B ALS-450
Description:
ALS-175 ALS-250 ALS-350 ALS-500
Bussmann series stud-mounted, one-time ALS-200 ALS-250B ALS-350B ALS-500B
fuse.
ALS-200B ALS-300 ALS-400 ALS-550
ALS-225 ALS-300A ALS-400B ALS-600
Specifications:
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
C
E F
D
G
Dimensions - in:
System voltage A B C D E F G
3.5 3.5 2.41 0.75 0.312 1.06 1.13
ALS 100-175
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
ALS 200-500
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
ALS 550-600
107.95 60.5 60.5 31.75 13.5 40.4 46.1Technical Data 1037 Stud-mounted fuses one-time
Effective June 2016
Time-current curvesaverage melt
Amp
rating
100
10
1
0.1
0.01
Current in amps x 10
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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
ofany 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
For Eatons Bussmann series
Cleveland, OH 44122
product information,
United States
Eaton.com
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States Eaton, Bussmann and Low-Peak are
Eaton.com/bussmannseries valuable trademarks of Eaton in the US
and other countries. You are not permitted
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All Rights Reserved written consent of Eaton. latest product and support information.
Printed in USA
Publication No. 1037 SB04068 UL is a registered trademark of the
June 2016 Underwriters Laboratories, Inc.
Time in seconds
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