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E10480 Datasheet, PDF (1/4 Pages) Littelfuse – 328 Series, Lead-Free 3AB, High Surge Withstanding Fuse
Axial Lead & Cartridge Fuses
3AB > High I2t > 328 Series
328 Series, Lead-Free 3AB, High Surge Withstanding Fuse
Agency Approvals
Agency
Agency File Number
E10480
Ampere Range
21A
Electrical Characteristics
% of Ampere
Rating
100%
Ampere Rating
21A
200%
Opening Time
4 hours, minimum
120 sec., maximum
Description
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.
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
Commercial and outdoor LED luminaries
Outdoor electronics and electrical equipment
Electrical Characteristics
Amp Voltage
Rating Rating
(A)
(VAC)
Interrupting
Rating
21
300
200A @
300VAC
Surge
Rating
1.2/50 - 8/20µs,
20kV/10kA 20 hits
Nominal
Cold
Resistance
(Ohms)
0.0042
Nominal
Melting
I2t (A2 sec)
Agency
Approvals
4,800
E10480
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/16/13