Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 314/324 Series
314/324 Series
PS
E
Lead-free 3AB, Fast-Acting Fuse
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
Standard 248-14
Lead-free
and axial lead format
and with various
forming dimensions
Agency Approvals
Agency
Applications
Agency File Number
Ampere Range
E10480
125mA - 15A
LR 29862
125mA - 20A
E10480
15A* - 40A
NBK 030805 - E10480A-F
NBK 260106 - JP1021A/B
125mA - 30A
SU05001 6001/6002/6003/7006/8002/8003
125mA - 30A
PS
E
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
Opening Time
1/8 - 40
1/8 - 30
1/8 - 12
15 - 30
40
4 hours, Minimum
1 hour, Maximum
15 secs., Maximum
30 secs., Maximum
30 secs., Maximum
200%
125mA - 30A
250%
Ampere
Rating
(A)
Voltage
Rating
(V)
.125
.250
.375
.500
.750
001.
002.
003.
004.
005.
006.
007
.
008.
010.
012.
015.
015.*
0.125
0.25
0.375
0.5
0.75
1
2
3
4
5
6
7
8
10
12
15
15
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
280
020.
20
250
020.*
20
280
025.
25
250
025.**
25
280
030.
30
250
Amp
Code
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)
6.20
1.95
0.820
0.500
0.250
0.189
0.0700
0.0432
0.0470
0.0300
0.0240
0.0187
0.0153
0.0105
0.00760
0.00505
0.00505
Agency Approvals
Nominal
Melting
2
I t (A2 sec)
0.00149
0.0140
0.050
0.115
0.466
0.690
11.0
14.6
10.4
26.0
45.0
71.0
105
206
570
292
292
0.00355
631
0.00355
PS
E
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631
100 A @ 250 VAC
1000A @ 75 VDC
400A @ 125 VAC
400 A @ 125 VDC
0.00235
1450
0.00235
0.00182
2490
0.0014
22925
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1000 A @ 250 VAC
400 A @ 150 VDC
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* 350A@280VAC interrupting rating available for 15A and 20A. ** 50A@280VAC for 25A. Add suffix ’280’. Example: 0324020.MX280P
.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/314.html
or /324.html for current information.
321
Revised: September 10, 2010
314/324 Series
314/324 Series
Electrical Specification by Item
