0314.125H Datasheet, PDF (1/1 Pages) Littelfuse – 3AB Fast-Acting Fuse 314/324 Series

Axial Lead and Cartridge Fuses
Ceramic Body
3AB Fast-Acting Fuse 314/324 Series
U_{® L}
®
®
QPL
Ceramic body construction permits higher interrupting ratings and volt-
age ratings. Ideal for applications where high current loads are expected.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Ampere
Rating
Opening
Time
110%
1/8–30
4 hours, Minimum
135%
1/8–30
1 hour, Maximum
200%
1/8–12
15 – 30
15 seconds, Maximum
30 seconds, Maximum
AGENCY APPROVALS: Listed by Underwriters Laboratories
and Certified by CSA through 15 amperes at 250 VAC/125 VDC.
Recognized under the Components Program of Underwriters
Laboratories at 20-30A, certified by CSA at 20A, and approved by METI
from 10 through 30 amperes.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
FUSES TO MIL SPEC: See F03A cartridge type in Military Section.
INTERUPTING RATINGS:
0.125 - 20A
10,000A @ 125 VAC/DC
25 - 30A
400A @ 125 VAC/DC
0.125 - 1A
35A @ 250 VAC
2 - 3A
100A @ 250VAC
4 - 15A
750A @ 250VAC
20A
1,000A @ 250VAC
25-30A
100A @ 250VAC
ORDERING INFORMATION:
Cartridge
Catalog
Number
314.125
314.250
314.375
314.500
314.750
314 001
314 002
314 003
314 004
314 005
314 006
314 007
314 008
314 010
314 012
314 015
314 020
314 025
314 030
Axial Lead
Catalog
Number
324.125
324.250
324.375
324.500
324.750
324 001
324 002
324 003
324 004
324 005
324 006
324 007
324 008
324 010
324 012
324 015
324 020
324 025
324 030
Ampere
Rating
1/8
1/4
3/8
1/2
3/4
1
2
3
4
5
6
7
8
10
12
15
20
25
30
Voltage
Rating
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Nominal
Resistance
Cold 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
0.00355
0.00235
0.00182
Nominal
Melting I²t
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
105.0
206.0
570.0
292.0
631.0
1450.0
2490.0
314 000 Series
6.985 (.275")
324 000 Series
0.813 (.032") (^1/ ₈ - 15A)
1.016 (.040") (20 - 30A)
6.35 (.25")
31.75
(1.25")
32.385
(1.275")
38.1
(1.50") TYP.
Axial Lead Material: Solder coated copper.
Average Time Current Curves
1000
100
10
1
0.1
0.01
0.1
1
10
100
CURRENT IN AMPERES
1000
292
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