Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
505 Series, Lead-free 3AB, Fast-Acting Fuse
Pb
RoHS
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
E10480 10A - 30A
1312914 10A - 12A
N/A 10A - 30A
T5026910801 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 Underwriters
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
6.3mm x 32mm
• Uninterruptible Power
Supplies (UPS)
• Three-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
010. 10 450
20kA@450VAC
1000A@250VDC
0.0167 91 x x x
010.* 10 500
200A@500VAC
200A@500VDC
0.0167 91 x x
012. 12 450
20kA@450VAC
1000A@250VDC
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 140 x x x
025. 25 500 0.0048 210 x x x
030. 30 500 0.0038 280 x x x
Electrical Characteristic Specifications by Item
Notes:
1. 20kA@500VAC&20kA@500VDC interrupting rating available for TUV certification of 15~30A
2. *200A@500Vac&200A@500Vdc interrupting rating available for 10A. Add suffix “500”. Example: 0505010.MX500P, and 0505010.MXE500P”
Application testing is strongly recommended.
Additional Information
Datasheet
Samples
Resources
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.