High Current Fuses
BF1 Fuses Rated 58V
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 material for easy
detection of blown fuses.
Specifications
Operating temperature:
Housing Material:
Clear Housing Material:
Terminals:
Mounting Torque M5:
Mounting Torque M6:
Interrupting Rating:
Complies with:
-40 to 125 degrees C
PET-GF30
PES
Copper alloy, gal. Sn
2 x M5 or M6 bolts, distance 30 mm
4.5 Nm +/- 1Nm
6.0 Nm +/- 1Nm
1000A @ 58 VDC
ISO 8820-5, UL 248 Special Purpose Fuses
Dimensions
Dimensions in mm
Ordering Information
Part Number
142.5631.xxx2
142.7010.xxx2
142.7020.xxx2
Package
Size
500
500
500
Bolt Bolt Hole
Size
Qty
M5
M6
N/A
2
1
0
Time-Current Characteristics
% of
Rating
75
100
110
150
200
300
350
500
600
Opening Time Min / Max (s)
30-150A Fuses
–/–
360,000 s / –
14,400 s / –
90 s / 3,600 s
3 s / 100 s
0.300 s / 3 s
–/–
0.100 s / 1 s
–/–
200A Short Circuit Protectors
360,000 s / –
–/–
–/–
–/–
1 s / 15 s
–/–
0.300 s / 5 s
–/–
0.100 s / 1 s
Pre-Arcing Time-Limits
Ratings
Part Number M5
142.5631.5302
1
142.5631.5402
142.5631.5502
142.5631.5602
142.5631.5702
142.5631.5802
142.5631.6102
142.5631.6122
142.5631.6152
142.5631.6202
2
Part Number M6
142.70xx.5302
1
142.70xx.5402
142.70xx.5502
142.70xx.5602
142.70xx.5702
142.70xx.5802
142.70xx.6002
142.70xx.6122
142.70xx.6152
142.70xx.6202
Current
Rating
(A)
30
40
50
60
70
80
100
125
150
200
Housing
Material Color
Typ. Voltage
Cold
Drop
Resistance
(mV)
(mΩ)
105
90
80
75
70
70
70
70
70
70
2.70
1.56
1.03
0.75
0.64
0.55
0.44
0.34
0.29
0.24
I
2
t
(A
2
s)
5,100
6,800
6,900
16,200
22,000
25,600
42,500
62,500
83,400
126,000
Note 1: Not UL rated Note 2: Short Circuit Protector only
30 A - 150 A: FI = 1.25
(max. operating current:0.8 x I
rat
at 23°C)
200 A: FI = 2.00
(max.operating current: 0.5 x I
rat
at 23°C)
Derating
Individual derating curves by rating can be ordered through your Littelfuse contact person.
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for
surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those 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 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 documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless
otherwise agreed by Littelfuse.
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