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Axial Lead and Cartridge Fuses
Ceramic Body
3AB
Slo-Blo
®
Fuse 325/326 Series
UL
®
®
®
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
110%
135%
200%
Ampere
Rating
1/100–30
1/100–30
1/100–3.2
4 – 30
Opening
Time
hours,
Minimum
hour,
Maximum
sec.,
Min.;
30 sec.
Max.
sec.,
Min.;
60 sec.
Max.
4
1
5
5
AGENCY APPROVALS:
Listed by Underwriters Laboratories from 1/4
through 10 amperes. Certified by CSA from 1/4 through 30 amperes.
Recognized under the component program of Underwriters Laboratories
for 12-30A.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
FUSES TO MIL SPEC:
See F03B cartridge type in Military Section.
326
000
Series
6.985 (.275")
6.35 (.25")
31.75
(1.25")
325
000
Series
0.813 (.032") (
1/100
-15A)
1.016 (.040") (20 -30A)
PATENTED
INTERUPTING RATING:
0.010 - 20A
25 - 30A
0.010 - 3.2A
4 - 20A
Cartridge
Catalog
Number
326.010
326.031
326.062
326.100
326.125
326.150
326.175
326.187
326.200
326.250
326.300
326.375
326.400
326.500
326.600
326.700
326.750
326.800
326
001
326
01.2
326
1.25
326
01.5
326
01.6
326
002
326
02.5
326
02.8
326
003
326
03.2
326
004
326
005
326
6.25
326
007
326
008
326
010
326
012
326
015
326
020
326
025
326
030
10,000A @ 125VAC
400A @ 125VAC
100A @ 250VAC
400A @ 250VAC
Axial Lead
Catalog
Number
325.010
325.031
325.062
325.100
325.125
325.150
325.175
325.187
325.200
325.250
325.300
325.375
325.400
325.500
325.600
325.700
325.750
325.800
325
001
325
01.2
325
1.25
325
01.5
325
01.6
325
002
325
02.5
325
02.8
325
003
325
03.2
325
004
325
005
325
6.25
325
007
325
008
325
010
325
012
325
015
325
020
325
025
325
030
Nominal
Resistance
Cold Ohms
3300.0000
330.
91.0
33.3
22.3
15.3
8.84
7.67
6.72
4.40
3.20
2.14
1.92
1.29
0.940
0.716
0.636
0.568
0.386
0.284
0.266
0.196
0.175
0.120
0.0830
0.0690
0.0600
0.0535
0.0755
0.0518
0.0343
0.0225
0.0191
0.0131
0.0066
0.0049
0.0033
0.0024
0.0019
Nominal
Melting I
2
t
A
2
Sec.
0.00148
0.0110
0.0276
0.0870
0.100
0.143
0.220
0.230
0.213
0.432
0.690
1.20
1.33
2.50
3.90
6.42
7.00
8.20
16.3
22.0
24.0
40.1
45.0
80.0
136.0
170.0
200.0
214.0
9.71
25.0
60.4
47.3
67.1
137.0
129.0
245.0
575.0
1030.0
1690.0
32.385
(1.275")
38.1
(1.50") TYP.
Axial Lead Material: Solder coated copper.
ORDERING INFORMATION:
Ampere
Rating
1/100
1/32
1/16
1/10
1/8
15/100
.175
3/16
2/10
1/4
3/10
3/8
4/10
1/2
6/10
7/10
3/4
8/10
1
1
2
/
10
1
1
/
4
1
1
/
2
1
6
/
10
2
2
1
/
2
2
8
/
10
3
3
2
/
10
4
5
6
1
/
4
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
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
125
125
Average Time Current Curves
.375A
.500A
.750A
1.0A
1.5A
2.0A
2.5A
3.0A
3.5A
4.0A
5.0A
1000
8
100
10
TIME IN SECONDS
1
0.1
0.01
0.05 0.1
1
10
CURRENT IN AMPERES
100
1000
w w w. l i t t e l f u s e . c o m
293
AXIAL LEAD AND
CARTRIDGE FUSES
PCB Design
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