166.7000.4402

Blade Fuses FKS ATO ® STYLE BLADE 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 Time-Current Characteristics 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. ® % 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 166.7000.430_ 166.7000.440_ Housing Color Typ. Voltage Drop Cold Resistance I2t 3A 145 mV 39.0 mΩ 8.10 A²s 4A 140 mV 29.0 mΩ 14.4 A²s 166.7000.450_ 5A 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 Corresponding holder see Section “Fuse Holders.” © 2012 Littelfuse • Transportation Products Catalog www.littelfuse.com Blade Fuses FKS ATO ® STYLE BLADE FUSE RATED 80V Dimensions Dimensions in mm Pre-Arcing Time-Limits FI = 1.43 (max.operating current: 0.7 x Irat at 23°C) www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog