Axial Lead & Cartridge Fuses
3AB > Slo-Blo Fuse > 325/326 Series
PS
RoHS Pb
E
325/326 Series Lead-Free 3AB, Slo-Blo Fuse
Description
The 3AB Slo-Blo 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 RoHS compliant and
Standard 248-14 Lead-free
Available in cartridge
and axial lead format
and with various forming
Agency Approvals
dimensions
Agency Agency File Number Ampere Range
E10480 0.250A - 10A
Applications
E10480 12A - 30A
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
29862 0.250A - 30A
components or internal circuits.
Cartridge:
NBK 030805-E10480A 1A-3.2A
NBK 030805-E10480C 4A-5A
Electrical Characteristics for Series
NBK 030805-E10480E 6.25A-15A
NBK 260106-JP1021A 20A-30A
PS
E
% of Ampere
Leaded:
Ampere Rating Opening Time
Rating
NBK 030805-E10480B 1A-3.2A
NBK 030805-E10480D 4A-5A
100% 0.010A 30A 4 hours, Minimum
NBK 030805-E10480F 6.25A-15A
NBK 260106-JP1021B 20A-30A
135% 0.010A 30A 1 hour, Maximum
SU05001-5010 7-10A 0.010A 3.2A 5 sec., Min., 30 sec., Max.
SU05001-5011 12A, 15A 200%
4A 30A 5 sec., Min., 60 sec., Max.
SU05001-5012 20A
SU05001-6006 2.8A-3.2A
SU05001-6007 2.5A
T 50239752 01 *12A/*15A/*20A
Additional Information
N/A 0.010A - 30A
* Approved for cartridge version only
Samples
Datasheet Resources Accessories
325 Series 325 Series 325 Series 325 Series
Accessories
Datasheet Resources Samples
326 Series 326 Series
326 Series 326 Series
For recommended fuse accessories for this product series,
see Recommended Accessories section.
2019 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 04/29/19Axial Lead & Cartridge Fuses
3AB > Slo-Blo Fuse > 325/326 Series
Electrical Characteristic Specifications by Item
Agency Approvals
Ampere Voltage Nominal Cold Nominal
Interrupting
Amp Code Rating Rating Resistance Melting
PS
Rating
2 2
E
(A) (V) (Ohms) I t (A sec)
.010 0.01 250 3324.8000 0.00013 x
.031 0.031 250 332.5000 0.0110 x
.062 0.062 250 91.7000 0.0276 x
.100 0.1 250 33.5500 0.0870 x
.125 0.125 250 100A@250Vac 22.4500 0.100 x
.150 0.15 250 15.4500 0.143 x
.175 0.175 250 8.9200 0.350 x
.187 0.187 250 7.7250 0.330 x
.200 0.2 250 6.7700 0.316 x
.250 0.25 250 4.4300 0.804 x x x
.300 0.3 250 3.2200 1.230 x x x
.375 0.375 250 2.1550 1.20 x x x
.400 0.4 250 1.9350 1.33 x x x
.500 0.5 250 1.3000 4.80 x x x
.600 0.6 250 0.9495 3.90 x x x
.700 0.7 250 0.7215 6.42 x x x
.750 0.75 250 0.6410 13.00 x x x
100A@250Vac
.800 0.8 250 0.5725 8.20 x x x
10KA@125Vac
001. 1 250 0.3890 16.3 x x x x
10KA@125Vdc
01.2 1.2 250 0.2860 22.0 x x x x
1.25 1.25 250 0.2680 40.0 x x x x
01.5 1.5 250 0.1975 59.7 x x x x
01.6 1.6 250 0.1760 66.0 x x x x
002. 2 250 0.1210 118.0 x x x x
02.5 2.5 250 0.0835 185.0 x x x x x
02.8 2.8 250 0.0695 232.0 x x x x x
003. 3 250 0.0605 200.0 x x x x x
100A@250Vac
03.2 3.2 250 0.0539 214.0 x x x x x
10KA@125Vac
004. 4 250 0.0761 9.71 x x x x
005. 5 250 0.0522 25.0 x x x x
400A@250Vac
6.25 6.25 250 0.0346 60.4 x x x x
10KA@125Vac
007. 7 250 0.0227 47.3 x x x x x
10KA@125Vdc
008. 8 250 0.0193 67.1 x x x x x
010. 10 250 0.0132 137 x x x x x
400A@250Vac
012. 12 250 10KA@125Vac 0.0067 129 x x x x x*** x
600A@125Vdc
012.* 12 250 1500A@250Vac 0.0011 618 x x x
400A@250Vac
015. 15 250 10KA@125Vac 0.0050 245 x x x x x*** x
600A@125Vdc
015.* 15 250 1500A@250Vac 0.0083 760 x x x
400A@250Vac
020. 20 250 10KA@125Vac 0.0034 575 x x x x x*** x
600A@125Vdc
020.* 20 250 1500A@250Vac 0.0042 2500 x x x
025.** 25 250 1500A@250Vac 0.0032 4682 x x
400A@250Vac
025. 25 250 0.0024 1030 x x x x
10KA@60Vdc
030. 30 250 0.0019 1690 x x x x
600A@125Vdc
2
*Higher i t version available. Please add suffix D to part numbers. For instance, 0325020.MXDP, 0326020.MXDP
2
I t test at 10 rated current.
2
**Higher I t version available. Please add suffix W to part numbers. For instance, 0325025.MXWP
***Approved for cartridge versions only, and interrupting rating is 400A@125Vac and 400A@250Vac
2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/29/19