Littelfuse 505 Series User Manual
Axial lead & cartridge fuses, 505 series, lead-free 3ab, fast-acting fuse, 3ab > fast-acting > 505 series
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/09/14
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
505 Series, Lead-free 3AB, Fast-Acting Fuse
A 500VAC/VDC rated ceramic fuse with remarkable
interrupting rating in a compact 6.3 x 32mm package,
which is well suited for circuit protection in high energy
applications.
Agency Approvals
Agency
Agency File Number
Ampere Range
Recognised File:
E10480
10A - 30A
1312914
10A - 12A
10A - 30A
TUV
T502691080001
15 - 30A
Features
Applications
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating
Opening Time
150%
10 – 30
30 minutes, Maximum
200%
30 minutes, Maximum
300%
10 sec., Maximum
• In accordance
with underwriter’s
Laboratories Standard
UL 248-14
• Available in cartridge and
axial lead form and with
various lead forming
dimensions.
• RoHS compliant and
Lead-free
• Superior Interrupting
rating of 20,000
Amperes
• Compact form factor of
6.3 x 32mm
• Uninterruptible Power
Supplies (UPS)
• 3 Phase Power Supplies
Description
Amp Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
TUV
010.
10
450
20kA@450VAC
1000A@250VDC
0.0167
91
x
x
x
012.
12
450
0.0117
192
x
x
x
015.
15
500
50kA@500VAC
20kA@500VDC
0.0073
68
x
x
x
016.
16
500
0.0073
68
x
x
x
020.
20
500
30kA@500VAC
20kA@500VDC
0.0056
101
x
x
x
025.
25
500
0.0048
145
x
x
x
030.
30
500
0.0038
203
x
x
x
Electrical Characteristic Specifications by Item
TUV
Note:20kA@500VAC&20kA@500VDC interrupting rating available for TUV certification of 15~30A
Additional Information