Technical Data 2048
Effective December 2015
Supersedes February 2015
BUSSMANN
SERIES
ATM blade fuses
Catalog symbol:
•
Dimensions - in
0.15
(3.81)
ATM
0.43
(10.92)
Description:
A range of UL
®
Listed fast-acting miniature
blade fuses for automotive and low-voltage
circuits.
0.344 ± 0.006
(8.75 ± 0.15)
Ratings:
•
•
•
Volts – 32Vac/dc
Amps – 2 to 30A
Interrupting rating – 1kA
0.295 ± 0.012
(7.5 ± 0.3)
Electrical characteristics (@ 23°C)*
% of fuse amp
rating
110%
135%
160%
200%
350%
600%
Operating time (sec)
Min
100 hrs.
0.75 sec.
0.25 sec.
0.15 sec.
0.04 sec.
0.02 sec.
Max
—
600 sec.
50 sec.
5 sec.
0.5 sec.
0.1 sec.
Agency information:
•
UL Listed
•
UL 275A Guide FHXT, File AU169
HF
FREE
HALOGEN
•
ISO 8820 / JASO D612 / SAE J2077 and J1171
ignition protection
Materials:
•
Terminals and element
•
Silver-plated zinc
Polyamide, UL 94 HB flammability rating
•
Housing
•
* 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
•
•
Environmental:
•
Halogen free and RoHS compliant
Test points on fuses to speed
troubleshooting
Industry standard color coded by amp rating
Operating temperature range -40°C to
+100°C, 95% RH non-condensing
Storage temperature range -5°C to +35°C or
lower, 85% RH non-condensing
•
•
Typical applications
•
Basic part numbers
Part
number
(amp)
ATM-2
ATM-3
ATM-4
ATM-5
ATM-7½
Part
number
(amp)
ATM-10
ATM-15
ATM-20
ATM-25
ATM-30
Automotive
Low voltage control circuits
•
Color
Gray
Violet
Pink
Tan
Brown
Color
Red
Blue
Yellow
Clear
Green
Recommended fuse holders, add-a-circuit
and fuseclips
Part
number
HHH
HHL
Description
Add-a-circuit for
additional fused
circuit on a block
Inline fuse holder
with cover
Inline fuse holder
with cover
Water resistant
inline fuse holder
with cover
Indicating inline
fuse holder with
cover
PCB fuse clip with
nylon base
Max volts/
amps
32V/10A
32V/20A
32V/30A
32V/30A
Leadwire
5”/#16
2x4”/#16
2x4”/#12
2x4”/#12
Packaging codes
ATM-(amp)
ATM-(amp)RLD*
BP/ATM-(amp)-RP
VP/ATM-(amp)-RP
BK/ATM-(amp)
*
Five fuses packed in
a tin
10 fuses in a polybag
Five fuses in a retail
blister card pack
25 fuses in a clamshell
pack
500 fuses in a carton
HHM
HHU
ATM-
FHID
32V/20A
32V/15A
32V/15A
2x4”/#16
—
—
1A5778** PCB fuse clip
1A5779**
Not available for the 4 amp ATM fuses.
** See data sheet no. 2131 for details.
Techncial Data 2048
Effective December 2015
ATM blade fuses
Time-current characteristic curves – average melt
Time in seconds
Current in amps
Cold resistance (mΩ)
MAX
MIN
AVG
2A
3A
4A
5A
51.11 30.76 23.91 17.19
47.49 29.20 23.77 16.20
49.25 29.81 23.84 16.66
7.5A
11.39
10.74
11.09
10A
8.12
7.60
7.85
15A
5.15
4.68
4.89
20A
3.62
3.32
3.49
25A
2.63
2.45
2.56
30A
2.17
2.00
2.09
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
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. 2048 – BU-SB15054
December 2015
For Eaton’s Bussmann series
product information,
call
1-855-287-7626
or visit:
Eaton.com/bussmannseries
Eaton and Bussmann are valuable
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countries. You are not permitted to use the
Eaton trademarks without prior written
consent of Eaton.
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Underwriters Laboratories, Inc.
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