Littelfuse BF2 58V Series - Manual

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BF2 FUSE RATED 58V
Description
This BF2 fuse is rated at 58V and offers a bolt-on fuse for
high current wiring protection. Current rating 100A - 300A; with
transparent housing for easy detection of blown fuses.
Specifications
Housing: Out of thermoplastic (UL 94-V0, heat-resistant)
Visible melting element
Terminal: Copper alloy, gal. Sn
2 x M8 bolts, Distance 51 mm
Mounting Torque: 12.0 Nm +/- 1Nm
Breaking Capacity: 1000A, 58V DC
Complies with: ISO 8820-5
UL 248 Special Purpose Fuses
Ordering Information
Part Number Package Size
142.5395.xxx2 200
Note 1: Short circuit protectors only.
Ratings
Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I 2 t
142.5395.6102 100 A 110 mV 0.70 mΩ 46,800 A²s
142.5395.6122 125 A 110 mV 0.52 mΩ 118,100 A²s
142.5395.6152 150 A 110 mV 0.42 mΩ 113,400 A²s
142.5395.6172 175 A 110 mV 0.36 mΩ 154,400 A²s
142.5395.6202 200 A 110 mV 0.34 mΩ 288,000 A²s
142.5395.6222 225 A 110 mV 0.29 mΩ 236,000 A²s
142.5395.6252 250 A 110 mV 0.25 mΩ 292,500 A2s
142.5395.6302¹ 300 A 110 mV 0.21 mΩ 486,000 A²s
Bolt-down Fuses
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
100A - 250A 300A
75 – / – – / –
100 4 h / – 4 h / –
135 120 s / 1,800 s – / –
200 1 s / 15 s 1 s / 15 s
350 0.300 s / 5 s 0.500 s / 5 s
600 0.100 s / 1 s 0.100 s / 1 s