Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 314/324 Series
The 3AB Fast-Acting Fuse with ceramic body construction
permits higher interrupting ratings and voltage ratings. Ideal
for applications where high current loads are expected.
Agency Approvals
Agency Agency File Number Ampere Range
E10480 0.375A - 15A
29862 0.375A - 20A
E10480 15A* - 40A
PS
E
NBK030805-E10480A/B
NBK030805-E10480C/D
NBK030805-E10480E/F
NBK260106-JP1021A/B
1-3.5A
4-5A
6-15A
20-30A
SU05001-6003
SU05001-6001
SU05001-6006
SU05001-8002
SU05001-8003
SU05001-6002
3A
4-6A
7-10A
12-15A
20A
25-30A
N/A 0.375A - 30A
Features
Electrical Characteristics for Series
Applications
RoHS
% of Ampere
Rating
Ampere Rating Opening Time
100% 1/8 - 40 4 hours, Minimum
135% 1/8 - 30 1 hour, Maximum
200%
1/8 - 12 15 secs., Maximum
15 - 30 30 secs., Maximum
250% 40 30 secs., Maximum
Electrical Specification by Item
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.375 0.375 250
35 A @ 250 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC
0.820 0.210
x x x
.500 0.5 250 0.500 0.639
x x x
.750 0.75 250 0.250 2.061
x x x
0 01. 1 250
100 A @ 250 V AC
10 kA @ 125 V AC
10 kA @ 125 V DC
0.189 0.690
x x x x
002. 2 250 0.0700 5.700
x x x x
003. 3 250 0.0432 14.6 x x x x x
004. 4 250
750 A @ 250 V AC
10 kA @ 125 V AC
10 kA @ 125 V DC
0.0470 10.4 x x x x x
005. 5 250 0.0300 26.0 x x x x x
006. 6 250 0.0240 45.0 x x x x x
0 0 7. 7 250 0.0187 71.0 x x x x x
008. 8 250 0.0153 105 x x x x x
010. 10 250 0.0105 206 x x x x x
010.* 10 280 0.0105 206 x x
012. 12 250 0.00760 570 x x x x x
015. 15 250 0.00505 292 x x x x x
015.* 15 280 0.00505 292
x x
020. 20 250
1000 A @ 250 V AC
200 A @ 300 V AC
10 kA @ 125 V AC
10 kA @ 125 V DC
0.00355 631 x x x x x
020.* 20 280 0.00355 631 x x
025. 25 250
100 A @ 250 V AC
1000A @ 75 V DC
400A @ 125 V AC
400 A @ 125 V DC
0.00235 1450 x x x x
025.** 25 280 0.00235 1450 x x
030. 30 250 0.00182 2490 x x x x
040. 40 250
1000 A @ 250 V AC
400 A @ 150 V DC
0.0014 22925 x x
• In accordance with UL
Standard 248-14
• Available in cartridge
and axial lead format
and with various forming
dimensions
• RoHS compliant and
Lead-free
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Pb
314/324 Series Lead-free 3AB, Fast-Acting Fuse
PS
E
* 350A@280VAC interrupting rating available for 10A, 15A and 20A. ** 50A@280VAC for 25A. Add suffix ’280’. Example: 0324020.MX280P.
Description
I
2
t test at 10x rated current
Application testing is strongly recommended.