Littelfuse FKS User Manual
Blade Fuses
FKS ATO® ST YLE BL ADE FUSE RATED 32V
Specifications
Interrupting Rating: 1000 A @32 VDC
Insulating Body: Out of thermoplastic (UL 94-V0, heat-resistant)
Cover: Out of thermoplastic (V0, transparent),
Visible melting-element
Shunt: red, not transparent
Terminals: Blade contacts
Copper alloy, gal. Sn plated
Edge-protected
Complies with: ISO 8820-3:2002(E)
UL 248 Supplemental Fuses
cULus Recognized: File No. E10480
Ordering Information
Part Number Package Size
164.6185.xxx2 2000
162.6185.xxx2 2000
162.6185.xxx6 100
Description
The FKS-32 is an ATO® style blade fuse rated at 32V, featuring a
three part construction with copper contacts for excellent reliability
in harsh environment conditions and low voltage drop. Current
ratings 1A thru 40A. With see -through cover for easy detection of
blown fuses.
Time-Current Characteristics
% of Rating Opening Time Min / Max (s)
110 360,000 s / –
135 0.750 s / 1,800 s
200 0.150 s / 5 s
350 0.040 s / 0.500 s
600 0.020 s / 0.100 s
Ratings
Part Number Current Rating Housing Color
162.6185.410_ 1 A* 150 mV 108 mΩ 2.00 A²s
162.6185.420_ 2 A*
162.6185.430_ 3 A
162.6185.440_ 4 A
164.6185.450_ 5 A
164.6185.475_ 7.5 A
164.6185.510_ 10 A
164.6185.515_ 15 A
164.6185.520_ 20 A
164.6185.525_ 25 A
164.6185.530_ 30 A
162.6185.535_ 35 A
162.6185.540_ 40 A
160.6185.000_ Shunt*
Typ. Voltage Drop
Littelfuse max.
130 mV 47.2 mΩ 8.00 A²s
140 mV 30.5 mΩ 15.0 A²s
120 mV 22.5 mΩ 25.0 A²s
145 mV 16.5 mΩ 35.0 A²s
115 mV 11.5 mΩ 60.0 A²s
95 mV 6.80 mΩ 110 A²s
90 mV 4.50 mΩ 250 A²s
90 mV 3.40 mΩ 648 A²s
80 mV 2.50 mΩ 600 A²s
80 mV 1.85 mΩ 1,070 A²s
75 mV 1.50 mΩ 1,600 A²s
100 mV 1.35 mΩ 2,000 A²s
42 mV 0.73 mΩ 9,000 A²s
Cold Resistance I
2
t
* Not mentioned in the standards
Corresponding holder see Section “Fuse Holders.”
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
Blade Fuses
FKS ATO® ST YLE BL ADE FUSE RATED 32V
Dimensions
Dimensions in mm
Pre-Arcing Time-Limits
FI = 1.33 (max. operating current: 0.75 x I
at 23°C)
rat
© 2012 Littelfuse • Transportation Products Catalogwww.littelfuse.com
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