High Current Fuses
BF1 and One-Hole BF1 Fuse Rated 32V
This BF1 fuse is rated at 32V and offers a bolt-on fuse for high current wiring
protection. Current rating 23A - 200A; with transparent housing material for easy
detection of blown fuses. One-Hole BF1 fuses have a current rating 60-125A.
Specifications
Operating Temperature:
Housing Material:
Clear Housing Material:
Terminals:
Mounting Torque M5:
Mounting Torque M6:
Interrupting Rating:
BF1 Fuses
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
23A & 30A:
1000A @32 VDC
40A - 150A:
2000A @32 VDC
200A:
1500A @32 VDC
ISO 8820-5, UL 248 Special Purpose Fuses
Ordering Information
Part Number
153.5631.xxx2
One Hole BF1 Fuses
153.5631.xxx1
153.7010.xxx2
153.7000.xxx2
153.0010.xxx2
153.0020.xxx2
Package
Size
1000
10
1000
500
1000
500
Bolt Bolt Hole
Size
Qty
M5
M5
M6
M6
M6
--
2
2
2
2
1
0
Ratings
30A-200A
30A-200A
30A-150A
200A
60A-125A
30A-200A
Time-Current Characteristics
% of
Rating
75
100
110
150
200
300
350
500
600
Opening Time Min / Max (s)
23-150A 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
Ratings
Part Number
M5
153.5631.523_
1,2
153.5631.530_
153.5631.540_
153.5631.550_
153.5631.560_
153.5631.570_
153.5631.580_
153.5631.610_
153.5631.612_
153.5631.615_
1
153.5631.620__
3
M6
-
153.7010.530_
153.7010.540_
153.7010.550_
153.7010.560_
153.7010.570_
153.7010.580_
153.7010.610_
153.7010.612_
153.7010.615_
1
153.7000.620__
3
Current
Rating
(A)
23
30
40
50
60
70
80
100
125
150
200
Housing
Material Color
Typ. Voltage
Cold Resistance
Drop
(mΩ)
(mV)
105
105
90
80
75
70
70
70
70
70
70
3.50
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)
1,400
5,100
6,800
6,900
16,200
22,000
25,600
42,500
62,500
83,400
126,000
Corresponding holder see Section “Fuse Holders.”
Note 1: not mentioned in ISO standard Note 2: Not UL rated Note 3: Short Circuit Protector only Note 4: For
1-Hole and No-Hole values, refer to 2-Hole version values
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.
28
littelfuse.com
High Current Fuses
BF1 and One-Hole BF1 Fuse Rated 32V
Dimensions
Dimensions in mm
Pre-Arcing Time-Limits
Derating
Individual derating curves by rating can be ordered through
your Littelfuse contact person.
23 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)
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.
29
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