Littelfuse FKS 80V Series User Manual
Fks ato, Style blade fuse rated 80v, Blade fuses

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Products Catalog
FKS ATO
®
STYLE BLADE FUSE RATED 80V
Description
The FKS-80 is an ATO
®
style blade fuse rated at 80V, featuring a
three part construction with copper contacts for excellent reliability
in harsh environment conditions and low voltage drop. Current
ratings 3A thru 30A. Filled with arc-quenching material.
Specifications
Interrupting Rating:
1000 A @ 80 VDC
Insulating Body:
Out of thermoplastic (UL 94-V0, heat-resistant)
Cover:
Out of thermoplastic (UL 94-V0, heat-resistant)
Red, not transparent
Terminals:
Blade contacts
Copper alloy, gal. Sn plated
Edge-protected
Complies with: UL 248 Special Purpose Fuses
cULus Recognized: File No. E10480
Ordering Information
Part Number
Package Size
166.7000.xxx2
500
166.7000.xxx6
100
Corresponding holder see Section “Fuse Holders.”
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
110
360,000 s / –
150
0.500 s / 300 s
200
0.150 s / 20 s
350
0.040 s / 0.500 s
600
0.020 s / 0.100 s
Ratings
Part Number
Current Rating
Housing Color
Typ. Voltage Drop
Cold Resistance
I
2
t
166.7000.430_
3 A
145 mV
39.0 mΩ
8.10 A²s
166.7000.440_
4 A
140 mV
29.0 mΩ
14.4 A²s
166.7000.450_
5 A
140 mV
20.6 mΩ
24.3 A²s
166.7000.475_
7.5 A
120 mV
11.5 mΩ
44.5 A²s
166.7000.510_
10 A
110 mV
7.90 mΩ
86.4 A²s
166.7000.515_
15 A
110 mV
4.60 mΩ
162 A²s
166.7000.520_
20 A
110 mV
3.30 mΩ
475 A²s
166.7000.525_
25 A
105 mV
2.27 mΩ
950 A²s
166.7000.530_
30 A
100 mV
1.79 mΩ
1,500 A²s
Blade Fuses