Datasheet
littelfuse.com
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.
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
35-200 225 - 500
150 3,600 s / – – / –
160 – / – 60 s / –
220 – / 60 s
250 0.8 s / 10 s
400 0.20 / 2 s
High Current Fuses
Fuse Strips with Housing Rated 48V - SPECIAL PURPOSE FUSES
(NOT INTENDED FOR AUTOMOTIVE OR TRUCK APPLICATIONS)
Housed fuse strips for battery-powered vehicles. Current rating 35A - 500A, 48 VDC. 90°
and straight fork type lugs. With window for visual inspection of melting element.
Dimensions
Dimensions in mm
Pre-Arcing Time-Limits
FI = 1.00 (max. operating
current: 1.0 x I
rat
at 23°C)
Specifications
Voltage Rating: 48 VDC
Interrupt Ratings: up to 3000A
Operating Temperature Range: -40° to 125°C
Metal Parts: 35A - 80A: Zinc-alloy
100A - 500A: Copper Cu, gal. Sn
Complies with: UL 248 Special Purpose Fuses
cULus Recognized: File No. E211637
Ordering Information
Part Number Package Size
157.5701.xxx1 50
157.5917.xxx1 50
Corresponding holder see Section “Fuse Holders.”
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
35-200 225 - 500
150 3,600 s / – – / –
160 – / – 60 s / –
220 – / 60 s
250 0.8 s / 10 s
400 0.20 / 2 s
Glass Cover
a
a
S
Ratings
Part Number
Current
Rating
(A)
Typ. Voltage
Drop
(mV)
Breaking
Capacity
(VDC/A)
Material
Thickness “S”
(mm)
a = 11 mm a = 9 mm*
157.5701.5351 157.5917.5351 35 125
48/210 0.6
157.5701.5401 – 40 125
48/240 0.6
157.5701.5501 157.5917.5501 50 125
48/300 0.6
157.5701.5631 157.5917.5631 63 125
48/378 0.6
157.5701.5801 157.5917.5801 80 125
48/480 0.6
157.5701.6101 157.5917.6101 100 125
48/600 0.5
157.5701.6121 157.5917.6121 125 125
48/750 0.8
157.5701.6131 – 130 125
48/780 0.8
157.5701.6141
–
135 125
48/810 0.8
157.5701.6151 157.5917.6151 150 125
48/900 0.8
157.5701.6161 157.5917.6161 160 125
48/960 1.0
157.5701.6171 157.5917.6171 175 125
48/1050 1.0
157.5701.6201 157.5917.6201 200 125
48/1200 0.8
157.5701.6231 157.5917.6231 225 125
48/1350 0.5
157.5701.6251 157.5917.6251 250 125
48/1500 0.5
157.5701.6271 157.5917.6281 275 125
48/1650 0.8
157.5701.6301 – 300 125
48/1800 0.8
157.5701.6331 157.5917.6331 325 125
48/1950 0.8
157.5701.6351 157.5917.6351 355 125
48/2130 0.8
157.5701.6401 400 125
48/2400 0.8
157.5701.6421 157.5917.6421 425 125
48/2550 1.0
157.5701.6501 157.5917.6501 500 125
48/3000 1.0

