© 2013 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 04/16/13

Axial Lead & Cartridge Fuses

328 Series, Lead-Free 3AB, High Surge Withstanding Fuse

Agency Approvals

Features

• High surge withstanding

capability

– 20 hits of 10kA 8/20μs

surge

– Meets ANSI/IEEE

C62.41, Category

C-High

– Meets US Dept of

Energy (DOE) MSSLC/

CBEA street lighting

and parking lot

lighting, elevated level

• Small form factor

(6.3×32mm) with

cartridge and axial-lead

package options

• High breaking capacity:

200A@300VAC

• Lead-free, RoHS

compliant, halogen-free

• Compliant with UL248-

14 and NFPA 70

(NEC) primary fusing

requirements

• Operating temperature:

–55°C to 125 °

Applications

Electrical Characteristics

Agency

Agency File Number

Ampere Range

E10480

21A

% of Ampere

Rating

Ampere Rating

OpeningTime

100%

21A

4 hours, minimum

200%

120 sec., maximum

The 328 Series is a 300VAC rated, 10kA surge

withstanding, 6.3×32mm ceramic fuse, designed in

accordance to UL248-14 Standard, provided in cartridge

and axial-lead packages.

Commercial and outdoor LED luminaries

Outdoor electronics and electrical equipment

Description

Electrical Characteristics

Amp

Rating

(A)

Voltage

Rating

(VAC)

Interrupting

Rating

Surge

Rating

Nominal

Cold

Resistance

(Ohms)

Nominal

Melting

Agency

Approvals

21

300

200A @

300VAC

1.2/50 - 8/20µs,

20kV/10kA 20 hits

0.0042

4,800

E10480