Littelfuse BF2 32V Series User Manual

Bf2 fuse rated 32v, Bolt-down fuses, Description

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BF2 FUSE RATED 32V

Description

This BF2 fuse is rated at 32V and offers a bolt-on fuse for
high current wiring protection. Current rating 100A - 500A;
with transparent housing for easy detection of blown fuses.

Specifications

Housing:

Out of thermoplastic (UL 94-V0, heat-resistant)

100A - 300A: Visible melting element

Terminal:

Copper alloy, gal. Sn

2 x M8 bolts, Distance 51 mm

Mounting Torque:

12.0 Nm +/- 1Nm

Breaking Capacity:

100 A - 300 A: 2.000 A, 32V, DC

400 A - 500 A: 1.500 A, 32V, DC

Complies with:

ISO 8820-5
UL 248 Special Purpose Fuses

Ordering Information

Part Number

Package Size

153.5395.xxxx

200

Last figure of article no. = packaging code

Corresponding holder see Section “Fuse Holders.”

* Parts with asterisk are short circuit protectors only.

Ratings

Part Number

Current Rating

Housing Color

Typ. Voltage Drop

Cold Resistance

I

2

t

153.5395.610_

100 A

110 mV

0.70 mΩ

46,800 A²s

153.5395.612_

125 A

110 mV

0.52 mΩ

118,100 A²s

153.5395.615_

150 A

110 mV

0.42 mΩ

113,400 A²s

153.5395.617_

175 A

110 mV

0.36 mΩ

154,400 A²s

153.5395.620_

200 A

110 mV

0.34 mΩ

288,000 A²s

153.5395.622_

225 A

110 mV

0.29 mΩ

236,000 A²s

153.5395.625_

250 A

110 mV

0.25 mΩ

292,500 A2s

153.5395.630_*

300 A

110 mV

0.21 mΩ

486,000 A²s

153.5395.640_*

400 A

110 mV

0.13 mΩ

964,000 A²s

153.5395.650_*

500 A

110 mV

0.12 mΩ

1,449,000 A²s

Bolt-down Fuses

Time Current Characteristics

% of Rating

Opening Time Min / Max (s)

100A - 250A

300A - 500A

75

– / –

4 h / –

100

4 h / –

– / –

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

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