Littelfuse BF1 58V Series User Manual
Bf1 fuse rated 58v, Bolt-down fuses, Description
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Products Catalog
BF1 FUSE RATED 58V
Description
This BF1 fuse is rated at 58V and offers a bolt-on fuse for
high current wiring protection. Current rating 30A - 200A;
with transparent housing for easy detection of blown fuses.
Specifications
Housing:
Out of thermoplastic (UL 94-V0, heat-resistant)
Visible melting element
Terminals:
Copper alloy, gal. Sn
2 x M5 bolts, distance 30 mm
Mounting Torque:
4.5 Nm +/- 1Nm
Interrupting Rating:
1000A @ 58 VDC
Complies with: ISO 8820-5
UL 248 Special Purpose Fuses
Operating temperature: -40 to 125 degrees C
Ordering Information
Part Number
Package Size
142.5631.xxx2
500
Corresponding holder see Section “Fuse Holders.”
Note 1: Not UL rated Note 2: Short Circuit Protector only
Ratings
Part Number
Current Rating
Housing Color
Typ. Voltage Drop
Cold Resistance
I
2
t
142.5631.5302
1
30 A
105 mV
2.70 mΩ
5,100 A²s
142.5631.5402
40 A
90 mV
1.56 mΩ
6,800 A²s
142.5631.5502
50 A
80 mV
1.03 mΩ
6,900 A²s
142.5631.5602
60 A
75 mV
0.75 mΩ
16,200 A²s
142.5631.5702
70 A
70 mV
0.64 mΩ
22,000 A²s
142.5631.5802
80 A
70 mV
0.55 mΩ
25,600 A²s
142.5631.6102
100 A
70 mV
0.44 mΩ
42,500 A2s
142.5631.6122
125 A
70 mV
0.34 mΩ
62,500 A²s
142.5631.6152
150 A
70 mV
0.29 mΩ
83,400 A²s
142.5631.6202
2
200 A
70 mV
0.24 mΩ
126,000 A²s
Bolt-down Fuses
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
30-150A Fuses
200A Short Circuit
Protectors
75
– / –
360,000 s / –
100
360,000 s / –
– / –
110
14,400 s / –
– / –
150
90 s / 3,600 s
– / –
200
3 s / 100 s
1 s / 15 s
300
0.300 s / 3 s
– / –
350
– / –
0.300 s / 5 s
500
0.100 s / 1 s
– / –
600
– / –
0.100 s / 1 s