BLADE TERMINAL AND SPECIAL PURPOSE FUSES
481
Alarm Indicating Type Fuse
鈥?Ideal for telecommunications and control panel circuits.
鈥?Eliminates down time by immediately pinpointing the
blown (open) circuit while triggering LED or audio alarm,
while placed in mating holder (482 Series).
鈥?Clear plastic lens option available for additional safety.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
150%
Opening Time
10 minutes,
Minimum
5 minutes,
Maximum
庐
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AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and the
Components Acceptance Program of CSA.
AGENCY FILE NUMBERS:
UL E71611, CSA LR 29862
INTERRUPTING RATINGS:
450 amperes at 60 VDC
300 amperes at 125 VAC/VDC
ENVIRONMENTAL SPECIFICATION:
Operating Temperature:
鈥?5掳C to +125掳C
PHYSICAL SPECIFICATIONS:
Construction Materials:
Body:
Polyphenylene Sulfide (UL 94V0)
Terminations: Beryllium Copper/Tin Plated
Optional Lens: Nylon
PACKAGING SPECIFICATIONS:
Available in five (5) packs or boxes of one hundred (100).
When ordering a Five (5) Pack, please add the letter 鈥榁鈥?/div>
after the catalog number. When ordering a one hundred
(100) piece box, add a 鈥楬鈥? To order the part with a
Protective Lens, add the letters 鈥榅L鈥?after the package code.
ORDERING INFORMATION:
Catalog
Number
0481.180
0481.250
0481.500
0481.650
0481.750
0481001.
04811.33
048101.5
0481002.
0481003.
048103.5
0481004.
0481005.
048107.5
0481010.
0481012.
0481015.
0481000.
Ampere
Rating
18/100
1/4
1/2
65/100
3/4
1
1
1
/
3
1
1
/
2
2
3
3
1
/
2
4
5
7
1
/
2
10
12
15
Dummy
Flag Color
Code
Yellow
Violet
Red
Black
Brown
Gray
White
Yellow/White
Orange
Blue
Blue/White
Brown/White
Green
Black/White
Red/White
Green/Yellow
Red/Blue
酶
Voltage
Rating
100
5.8
mm
(.23")
22.9
mm
(.90") MIN.
17.8
mm
(.70")
19.6
mm
(.77") 11.7
mm
(.46")
16.9
mm
(.665") MAX.
LENS
21.3
mm
(0.84")
REF.
5.3
mm
(.21")
Average Time Current Curves
18/100 A
1/4 A
1/2 A
65/100 A
3/4 A
1A
1 1/3 A
2A
3A
4A
5A
7 1/2 A
10 A
12 A
15 A
1
10
100
CURRENT IN AMPERES
1000
TIME IN SECONDS
10
125 VAC
&
125 VDC
1
0.1
Contact Littelfuse for nominal cold resistance and melting I
2
t.
0.01
0.1
1000
Refer to pg.85 for Alarm Indicating Fuseholder.
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