Datasheet

High Current Fuses
BF2 Fuses Rated 58V
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 material for easy detection of
blown fuses.
Specifications
Housing Material:
Clear Housing Material:
Terminal: Mounting Torque:
Breaking Capacity: Complies with:
PET-GF30
PES
Copper alloy, gal. Sn
2 x M8 bolts, Distance 51 mm
12.0 Nm +/- 1Nm
1000A, 58V DC
ISO 8820-5, UL 248 Special Purpose Fuses
BF2 Fuses
Time Current Characteristics
Ordering Information
Package Size
142.5395.xxxx
200
Ratings
100A
125A
150A
175A
200A
225A
250A
300A
400A
500A
Time-Current
Characteristic Curves
TIME-CURRENT CHARACTERISTIC CURVES ([email protected]°C)
1000
100
TIME [s]
Part Number
10
Part Number
Current Rating
(A)
142.5395.6102
142.5395.6122
% of Rating
Opening Time Min / Max (s)
100A - 250A
300A
75
–/–
–/–
100
4h/–
4h/–
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
Typ. Voltage Drop
(mV)
Cold Resistance
(mΩ)
100
110
0.70
46,800
125
110
0.52
118,100
142.5395.6152
150
110
0.42
113,400
142.5395.6172
175
110
0.36
154,400
142.5395.6202
200
110
0.34
288,000
142.5395.6222
225
110
0.29
236,000
142.5395.6252
250
110
0.25
292,500
142.5395.6302¹
300
110
0.21
486,000
Housing Color
I2t
(A2s)
Dimensions
Dimensions in mm
1
0,1
10
100
1000
10000
CURRENT [A]
100A-300A: FL=1,25 (max. operating current: 0,8 x Irat at 23°C)
400A-500A: FL=2,00 (max. operating current: 0,5 x Irat at 23°C)
Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not expressly set forth in applicable Littelfuse product documentation. Warranties
granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse product documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in
applications not expressly intended by Littelfuse as set forth in applicable Littelfuse product documentation.
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