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:
-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
Mounting Torque M5:
Mounting Torque M6:
Interrupting Rating:
Complies with:
Dimensions
Dimensions in mm
Ordering Information
Time-Current Characteristics
Package Bolt Bolt Hole
Opening Time Min / Max (s)
Part Number
% of
Rating
Size
Size
Qty
30-150A Fuses 200A Short Circuit Protectors
142.5631.xxx2
142.7010.xxx2
142.7020.xxx2
500
500
500
M5
M6
2
1
0
75
– / –
360,000 s / –
– / –
100
110
150
200
300
350
500
600
360,000 s / –
14,400 s / –
90 s / 3,600 s
3 s / 100 s
0.300 s / 3 s
– / –
N/A
– / –
– / –
1 s / 15 s
– / –
0.300 s / 5 s
– / –
Pre-Arcing Time-Limits
0.100 s / 1 s
– / –
0.100 s / 1 s
Ratings
Current
Rating
(A)
Typ. Voltage
Cold
Resistance
(mΩ)
Housing
Material Color
I2t
(A2s)
Part Number M5
Part Number M6
Drop
(mV)
142.5631.53021
142.5631.5402
142.5631.5502
142.5631.5602
142.5631.5702
142.5631.5802
142.5631.6102
142.5631.6122
142.5631.6152
142.5631.62022
142.70xx.53021
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
30
40
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
5,100
6,800
50
6,900
60
16,200
22,000
25,600
42,500
62,500
83,400
126,000
70
80
100
125
150
200
Note 1: Not UL rated Note 2: Short Circuit Protector only
30 A - 150 A: FI = 1.25
(max. operating current:0.8 x Irat at 23°C)
200 A: FI = 2.00
Derating
Individual derating curves by rating can be ordered through your Littelfuse contact person.
(max.operating current: 0.5 x Irat at 23°C)
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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