Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 314/324 Series
314/324 Series Lead-free 3AB, Fast-Acting Fuse
RoHS
Pb
PS
E
Description
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.
Features
• In accordance with UL
Standard 248-14
• Available in cartridge
and axial lead format
and with various forming
dimensions
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
0.375A - 15A
29862
0.375A - 20A
E10480
15A* - 40A
NBK030805-E10480A/B
NBK030805-E10480C/D
NBK030805-E10480E/F
NBK260106-JP1021A/B
3A
4-6A
7-10A
12-15A
20A
25-30A
N/A
Applications
1-3.5A
4-5A
6-15A
20-30A
SU05001-6003
SU05001-6001
SU05001-6006
SU05001-8002
SU05001-8003
SU05001-6002
PS
E
• RoHS compliant and
Lead-free
0.375A - 30A
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
Ampere Rating
1/8 - 40
1/8 - 30
1/8 - 12
15 - 30
40
200%
250%
Opening Time
4 hours, Minimum
1 hour, Maximum
15 secs., Maximum
30 secs., Maximum
30 secs., Maximum
Electrical Specification by Item
Ampere
Rating
(A)
Voltage
Rating
(V)
.375
.500
.750
001.
002.
003.
004.
005.
006.
007
.
008.
010.
010.*
012.
015.
015.*
0.375
0.5
0.75
1
2
3
4
5
6
7
8
10
10
12
15
15
250
250
250
250
250
250
250
250
250
250
250
250
280
250
250
280
020.
20
250
Amp
Code
020.*
20
280
025.
25
250
025.**
25
280
030.
30
250
040.
40
250
Interrupting
Rating
35 A @ 250 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC
100 A @ 250 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC
750 A @ 250 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC
1000 A @ 250 VAC
200 A @ 300 VAC
10 kA @ 125 VAC
10 kA @ 125 VDC
Nominal
Cold
Resistance
(Ohms)
0.820
0.500
0.250
0.189
0.0700
0.0432
0.0470
0.0300
0.0240
0.0187
0.0153
0.0105
0.0105
0.00760
0.00505
0.00505
0.00355
Agency Approvals
Nominal
Melting
2t (A2 sec)
I
0.210
0.639
2.061
0.690
5.700
14.6
10.4
26.0
45.0
71.0
105
206
206
570
292
292
631
0.00355
x
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x
0.00182
2490
1000 A @ 250 VAC
400 A @ 150 VDC
0.0014
22925
* 350A@280VAC interrupting rating available for 10A, 15A and 20A. ** 50A@280VAC for 25A. Add suffix ’280’. Example: 0324020.MX280P
.
I2t test at 10x rated current
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 07/31/15
x
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1450
100 A @ 250 VAC
1000A @ 75 VDC
400A @ 125 VAC
400 A @ 125 VDC
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1450
0.00235
x
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x
631
0.00235
PS
E
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