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Automotive Fuses
ATO® /257 Series

FAST-ACTING FUSE

   
257
The 257 series ATO fuse is a low-voltage blade type fuse for auto-
motive and electronic applications. Designed, originated and
patented by Littelfuse, it has become the standard for OEM circuit
protection on foreign and domestic autos and trucks. They are
color-coded and readily indentifiable and may be specified for a
variety of low voltage applications.
 
Voltage Rating: 32V AC/DC
Approvals: UL Listed. CSA Certified 3 - 30A. Society of Automotive Engineers
(SAE) J1284.
Amp. Rating
Volt. Rating
Color Code
1
32
Black
2
32
Grey
3
32
Violet
4
32
Pink
5
32
Tan
7 1/2
32
Brown
10
32
Red
15
32
Blue
20
32
Yellow
25
32
Natural
30
32
Green
40
32
Amber
 
 
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