Technical Data 2048 Effective January 2019
Supersedes December 2015
BUSSMANN
SERIES
ATM blade fuses
Catalog symbol
• ATM-_
Description
A range of UL® Listed fast-acting miniature blade
fuses for automotive and low-voltage circuits.
Ratings
• Volts: 32 Vac/dc
• Amps: 2 to 30 A
• Interrupting rating: 1 kA
Agency information
• UL Listed, Guide FHXT, File AU169
• ISO 8820-3 / JASO D612 / SAE J2077 and J1171
ignition protection
Materials
• Silver-plated zinc terminals and element
• Polyamide housing with UL 94 HB flammability
rating
Environmental
• Operating temperature range -40°C to +80°C,
95% RH non-condensing
• Storage temperature range -5°C to +35°C or
lower, 85% RH non-condensing
Basic catalog numbers
Cat. no.
(amp) Color code
Cat. no.
(amp) Color code
ATM-1* Black ATM-10 Red
ATM-2 Gray ATM-15 Blue
ATM-3 Violet ATM-20 Yellow
ATM-4 Pink ATM-25 Clear
ATM-5 Tan ATM-30 Green
ATM-7-1/2 Brown
* Available only in traditional and bulk pack.
Packaging codes
Package
type
Cat. no.
configuration Contents
Traditional ATM-(amp) 5 fuses in a tin
Reload ATM-(amp)RLD* 10 fuses in a polybag
Retail pack BP/ATM-(amp)-RP 5 fuses in a blister card
Value pack VP/ATM-(amp)-RP 25 fuses in a clamshell
pack
Bulk pack BK/ATM-(amp) 500 fuses in a carton
* Not available for the 4 amp ATM fuses.
0.344 ± 0.006
(8.75 ± 0.15)
0.15
(3.81)
0.43
(10.92)
0.295 ± 0.012
(7.5 ± 0.3)
Dimensions — in
Operating @ 23°C*
% of fuse amp rating Min Max
110% 100 hrs —
135% 0.75 sec 600 sec
160% 0.25 sec 50.0 sec
200% 0.15 sec 5.0 sec
350% 0.04 sec 0.5 sec
600% 0.02 sec 0.1 sec
* Fuse characteristics may vary according to the conditions
under which they are used. Fuse derating with change in
ambient temperature: -0.15% / 1°C.
Features
• Halogen free and RoHS compliant
• Test points on fuse housing speeds
troubleshooting
• Industry standard color coded by amp rating
Typical applications
• Automotive
• Low voltage control circuits
Recommended fuse holders, add-a-circuit
and fuseclips
Part
number Description
Max volts/
amps Leadwire
HHH
Add-a-circuit for
additional fused
circuit on a block
32V/10A 5”/#16
HHL Inline fuse holder
with cover 32V/20A 2x4”/#16
HHM Inline fuse holder
with cover 32V/30A 2x4”/#12
HHU
Water resistant
inline fuse holder
with cover
32V/30A 2x4”/#12
ATM-FHID Indicating inline fuse
holder with cover 32V/20A 2x4”/#16
1A5778** PCB fuse clip 32V/15A —
1A5779** PCB fuse clip with
nylon base 32V/15A —
** See data sheet no. 2131 for details.
HALOGEN
HF
FREE
ATM blade fusesTechnical Data 2048
Effective January 2019
Eaton and Bussmann are valuable trademarks
of Eaton in the US and other countries. You
are not permitted to use the Eaton trademarks
without prior written consent of Eaton.
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
Eaton.com
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2019 Eaton
All Rights Reserved
Printed in USA
Publication No. 2048 — BU-SB15054
January 2019
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latest product and support information.
For Eaton’s Bussmann series
product information,
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
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.
Time-current characteristic curves — average melt
Time in seconds
Current in amps
1 A 15 A
10 A
7-1/2 A
5 A4 A3 A
2 A
20 A
25 A
30 A
110
98
76543
2 100
1000
0.01
0.1
1
10,000
1000
100
10
Electrical characteristics
Fuse amps Resistance Voltage drop
1121 mΩ175 mV
249.7 mΩ140 mV
329.6 mΩ140 mV
423.8 mΩ136 mV
5 A 16.7 mΩ112 mV
7-1/2 11.1 mΩ112 mV
10 7.82 mΩ106 mV
15 4.93 mΩ99 mV
20 3.48 mΩ95 mV
25 2.58 mΩ92 mV
30 2.12 mΩ86 mV