Littelfuse 482 Series User Manual
Special application fuses, 482 series fuseholders, 482 series alarm indicating fuse holder

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Special Application Fuses
482 Series Alarm Indicating Fuse Holder
482 Series Fuseholders
Description
Ideal for telecommunications and control panel circuits,
the 482 Series fuseholder series is designed for use
with Littelfuse 481 Alarm Indicating Fuses. Each holder
is designed to accept other manufacturer’s replacement
fuses as well.
The fuseholder is available in three versions:
PCB Mount - 15A: Can be soldered directly to a printed
circuit board. Rated up to 15 amperes. Available in single
pole or gangable up to 20 poles. Fuseholder is keyed to
prevent insertion of 20 ampere fuse.
Panel Mount - 20A: Available in a single pole version rated
up to 20 amperes. Large leads for wire attachment.
Panel Mount - 15A: 15 ampere gangable version of
fuseholder is keyed to prevent insertion of 20 ampere fuse.
Agency Approvals
Agency
Agency File Number
E14721 (20A Panel Mount Only)
7316
482 Fuseholder Series
15A PCB Mount and Panel Mount
20A Panel Mount
Electrical Rating
Rated at 15 amperes up to 125 VAC/ VDC
Rated at 20 amperes up to 125 VAC/ VDC
Body Material
Thermoplastic (UL 94V-0)
Black Phenolic (UL 94V-0)
Fuse Terminal Material
Tin-plated Beryllium Copper
Tin-plated Copper Alloy
Alarm Terminal Material
Tin-plated Brass
Tin-plated Copper Alloy
Operating Temperature
–55
O
C to +125
O
C.
–40
O
C to +85
O
C.
Thermal Shock
Withstands 5 cycles of –55
O
C to 125
O
C
Withstands 5 cycles of –55
O
C to 125
O
C
Vibration
Per MIL-STD-202F
Per MIL-STD-202F
Insulation Resistance
(After Opening)
Greater than 10,000 ohms.
Greater than 10,000 ohms.
Product Characteristics
Additional Information