Axial Lead and Cartridge Fuses
408
www.littelfuse.com
Ceramic Body
3AB Slo-Blo
®
Fuse 325P/326P Series
Ceramic body construction permits higher interrupting ratings and volt-
age ratings. Ideal for applications where high current loads are expected.
ELECTRICAL CHARACTERISTICS:
% of Ampere Ampere Opening
Rating Rating Time
100% 1/100–30 4 hours, Minimum
135% 1/100–30 1 hour, Maximum
200%
1/100–3.2 5 sec., Min.; 30 sec. Max.
4–30 5 sec., Min.; 60 sec. Max.
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.
INTERRUPTING RATING:
0.010 - 20A 10,000A @ 125 VAC
25 - 30A 400A @ 125 VAC
0.010 - 3.2A 100A @ 250 VAC
4 - 20A 400A @ 250 VAC
ORDERING INFORMATION:
1000
100
10
1
0.1
0.01
10
CURRENT IN AMPERES
TIME IN SECONDS
100 10000.1 10.05
5.0A4.0A3.5A3.0A2.5A2.0A1.5A1.0A
.750A.500A.375A
20.0A15.0A12.0A10.0A8.0A7.0A6.25A 30.0A25.0A
Cartridge Axial Lead Nominal Nominal
Catalog Catalog Ampere Voltage Resistance Melting I
2
t
Number Number Rating Rating Cold Ohms A
2
Sec.
326.010P 325.010P 1/100 250 3300.0000 0.00148
326.031P 325.031P 1/32 250 330. 0.0110
326.062P 325.062P 1/16 250 91.0 0.0276
326.100P 325.100P 1/10 250 33.3 0.0870
326.125P 325.125P 1/8 250 22.3 0.100
326.150P 325.150P 15/100 250 15.3 0.143
326.175P 325.175P .175 250 8.84 0.220
326.187P 325.187P 3/16 250 7.67 0.230
326.200P 325.200P 2/10 250 6.72 0.213
326.250P 325.250P 1/4 250 4.40 0.432
326.300P 325.300P 3/10 250 3.20 0.690
326.375P 325.375P 3/8 250 2.14 1.20
326.400P 325.400P 4/10 250 1.92 1.33
326.500P 325.500P 1/2 250 1.29 2.50
326.600P 325.600P 6/10 250 0.940 3.90
326.700P 325.700P 7/10 250 0.716 6.42
326.750P 325.750P 3/4 250 0.636 7.00
326.800P 325.800P 8/10 250 0.568 8.20
326 001P 325 001P 1 250 0.386 16.3
326 01.2P 325 01.2P 1
2
/10 250 0.284 22.0
326 1.25P 325 1.25P 1
1
/4 250 0.266 24.0
326 01.5P 325 01.5P 1
1
/2 250 0.196 40.1
326 01.6P 325 01.6P 1
6
/10 250 0.175 45.0
326 002P 325 002P 2 250 0.120 80.0
326 02.5P 325 02.5P 2
1
/2 250 0.0830 136.0
326 02.8P 325 02.8P 2
8
/10 250 0.0690 170.0
326 003P 325 003P 3 250 0.0600 200.0
326 03.2P 325 03.2P 3
2
/10 250 0.0535 214.0
326 004P 325 004P 4 250 0.0755 9.71
326 005P 325 005P 5 250 0.0518 25.0
326 6.25P 325 6.25P 6
1
/4 250 0.0343 60.4
326 007P 325 007P 7 250 0.0225 47.3
326 008P 325 008P 8 250 0.0191 67.1
326 010P 325 010P 10 250 0.0131 137.0
326 012P 325 012P 12 250 0.0066 129.0
326 015P 325 015P 15 250 0.0049 245.0
326 020P 325 020P 20 250 0.0033 575.0
326 025P 325 025P 25 125 0.0024 1030.0
326 030P 325 030P 30 125 0.0019 1690.0
Average Time Current Curves
326 000P Series 325 000P Series
6.35 (.25")
32.385
(1.275")
31.75
(1.25")
6.985 (.275")
38.1
(1.50") TYP.
Axial Lead Material: Tin coated copper.
1
100
/0.813 (.032") ( -15A)
1.016 (.040") (20 -30A)
®
U
L ® ®
RoHS Pb