Littelfuse BF1 32V User Manual
BF1 FUSE RATED 32V
Bolt-down Fuses
Specifications
Housing: Out of thermoplastic (UL 94-V0, heat-resistant)
Visible melting element
Terminals: Copper alloy, gal. Sn
2 x M5 or M6 bolts, distance 30 mm
Mounting Torque M5: 4.5 Nm +/- 1Nm
Mounting Torque M6: 6.0 Nm +/- 1Nm
Interrupting Rating: 23A & 30A: 1000A @32 VDC
40A - 150A: 2000A @32 VDC
200A: 1500A @32 VDC
Complies with: ISO 8 820-5
UL 248 Special Purpose Fuses
Operating Temperature: -40 to 125 degrees C
Time-Current Characteristics
Opening Time Min / Max (s)
Description
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 for easy detection of blown fuses.
Ordering Information
Mounting Torque Part Number Package Size
M5 153.5631.xxx2 1000
M5 153.5631.xxx1 10
M6 153.7010.xxx2 1000
M6 153.7000.xxx2 500
% of Rating
23-150A Fuses
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
150-200A Short Circuit
Protectors
Ratings
Part Number
M5 M6
153.5631.523_
153.5631.530_ 153.5631.530_
153.5631.540_ 153.7010.540_ 40 A 90 mV 1.56 mΩ 6,800 A²s
153.5631.550_ 153.7010.550_ 50 A 80 mV 1.03 mΩ 6,900 A²s
153.5631.560_ 153.7010.560_ 60 A 75 mV 0.75 mΩ 16,200 A²s
153.5631.570_ 153.7010.570_ 70 A 70 mV 0.64 mΩ 22,000 A²s
153.5631.580_ 153.7010.580_ 80 A 70 mV 0.55 mΩ 25,600 A²s
153.5631.610_ 153.7010.610_ 100 A 70 mV 0.44 mΩ 42,500 A²s
153.5631.612_ 153.7010.612_ 125 A 70 mV 0.34 mΩ 62,500 A²s
153.5631.615_1153.7010.615_
153.5631.620__3153.7000.620__
Corresponding holder see Section “Fuse Holders.”
Note 1: not mentioned in ISO standard Note 2: Not UL rated Note 3: Short Circuit Protector only
1,2
- 153.7000.615_
- 23 A 105 mV 3.50 mΩ 1,400 A²s
Current Rating Housing Color Typ. Voltage Drop Cold Resistance I2t
2
1
3
3
30 A 105 mV 2.70 mΩ 5,100 A²s
150 A 70 mV 0.29 mΩ 83,400 A²s
150 A 70 mV 0.33 mΩ 98,000 A²s
200 A 70 mV 0.24 mΩ 126,000 A²s
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
BF1 FUSE RATED 32V
Bolt-down Fuses
Dimensions
Dimensions in mm
Pre-Arcing Time-Limits
23 A - 150 A: FI = 1.25 (max. operating current: 0.8 x I
200 A: FI = 2.00 (max. operating current: 0.5 x I
at 23°C)
rat
at 23°C)
rat
Derating
Individual derating curves by rating can be ordered through your
Littelfuse contact person.
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
Loading...