321

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Axial Lead & Cartridge Fuses

314/324 Series

3AB > Fast Acting > 314/324 Series

Please refer to www.littelfuse.com/series/314.html

or /324.html for current information.

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.

Agency Approvals

Agency

Agency File Number

Ampere Range

E10480

125mA - 15A

LR 29862

125mA - 20A

E10480

15A* - 40A

PS

E

NBK 030805 - E10480A-F

NBK 260106 - JP1021A/B

125mA - 30A

SU05001 -

6001/6002/6003/7006

125mA - 30 A

125mA - 30A

Features

Electrical Characteristics for Series

Applications

% of Ampere

Rating

Ampere Rating

OpeningTime

100%

125mA – 30A

4 hours, Minimum

135%

125mA – 30A

1 sec.., Maximum

200%

125mA – 12A

15 sec., Maximum

15A – 30A

30 sec., Maximum

Electrical Characteristic Specification by Item

Amp

Code

Ampere

Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

Nominal

Cold

Resistance

(Ohms)

Nominal

Melting

Agency Approvals

PS

E

.125

0.125

250

35A@250Vac

10KA@125Vac

10KA@125Vdc

6.20

0.00149

xx

x

.250

0.25

250

1.95

0.0140

xx

x

.375

0.375

250

0.820

0.050

xx

x

.500

0.5

250

0.500

0.115

xx

x

.750

0.75

250

0.250

0.466

xx

x

001.

1

250

100A@250Vac

10KA@125Vac

10KA@125Vdc

0.189

0.690

xx

xx

002.

2

250

0.0700

11.0

xx

xx

003.

3

250

0.0432

14.6

x

x

x

x

x

004.

4

250

750A@250Vac

10KA@125Vac

10KA@125Vdc

0.0470

10.4

x

x

x

x

x

005.

5

250

0.0300

26.0

x

x

x

x

x

006.

6

250

0.0240

45.0

x

x

x

x

x

007.

7

250

0.0187

71.0

x

x

x

x

x

008.

8

250

0.0153

105

x

x

x

x

x

010.

10

250

0.0105

206

x

x

x

x

x

012.

12

250

0.00760

570

xx

xx

015.

15

250

0.00505

292

xx

xx

015.*

15

280

0.00505

292

xx

020.

20

250

1000A@250Vac

200A@300Vac

10KA@125Vac

10KA@125Vdc

0.00355

631

x

x

x

x

020.*

20

280

0.00355

631

x

x

025.

25

250

100A@250Vac

1000@75Vdc

400@125Vac

400A@125Vdc

0.00235

1450

x

x

x

x

025.**

25

280

0.00235

1450

x

x

030.

30

250

0.00182

2490

xxxx

040.

40

250

1000A@250Vac

400A@150Vdc

0.0014

22925

x

x

Standard 248-14

and axial lead format

and with various

forming dimensions

Lead-free

Used as supplementary protection in appliance or

utilization equipment to provide individual protection for

components or internal circuits.

PS

E

* 350A@280Vac interrupting rating available for 15A and 20A. ** 50A@280Vac for 25A. Add suffix ’280’. Example: 0324020.MX280P.

Description

Revised: July 15, 2009