Littelfuse FKS 80V User Manual

Blade Fuses

FKS ATO® ST YLE BL ADE FUSE RATED 80V

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

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.

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 I2t

166.7000.430_ 3 A 145 mV 39.0 mΩ 8.10 A²s

166.7000.440_ 4 A

166.7000.450_ 5 A

166.7000.475_ 7.5 A

166.7000.510_ 10 A

166.7000.515_ 15 A

166.7000.520_ 20 A

166.7000.525_ 25 A

166.7000.530_ 30 A

140 mV 29.0 mΩ 14.4 A²s

140 mV 20.6 mΩ 24.3 A²s

120 mV 11.5 mΩ 44.5 A²s

110 mV 7.90 mΩ 86.4 A²s

110 mV 4.60 mΩ 162 A²s

110 mV 3.30 mΩ 475 A²s

105 mV 2.27 mΩ 950 A²s

100 mV 1.79 mΩ 1,500 A²s

Corresponding holder see Section “Fuse Holders.”

www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog

Blade Fuses

FKS ATO® ST YLE BL ADE FUSE RATED 80V

Dimensions

Dimensions in mm

Pre-Arcing Time-Limits

FI = 1.43 (max.operating current: 0.7 x I

at 23°C)

rat

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