Blade Terminal & Special Purpose Fuses
481 Series
Alarm Indicating Fuse
• Ideal for telecommunications and control panel circuits.
• Eliminates down time by immediately pinpointing the blown (open)
circuit while triggering LED or audio alarm, while placed in mating
holder (482 Series).
• Clear plastic lens option available for additional safety.
®
®
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
150%
Opening Time
10 minutes,
Minimum
5 minutes,
Maximum
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
300
300
200
amperes
amperes
amperes
amperes
at
at
at
at
60 VDC
125 VAC (up to 20 amperes)
125 VDC (up to 15 amperes)
125 VDC (up to 20 amperes)
Reference Dimensions:
22.9
mm
(.90") MIN.
17.8
mm
(.70")
LENS
19.6
mm
(.77")
21.3
mm
(0.84")
REF.
11.7
mm
(.46")
ENVIRONMENTAL SPECIFICATION:
Operating Temperature:
–55°C to +125°C
PHYSICAL SPECIFICATIONS:
Construction Materials:
Body:
Terminations:
Optional Lens:
Polyphenylene Sulfide (UL 94V0)
Beryllium Copper/Tin Plated
Nylon
5.8
mm
(.23")
16.9
mm
(.665") MAX.
2.77
(.109")
5.3
mm
(.21")
4.45
(.175")
2.79
(.110")
1-15A
20A*
PACKAGING SPECIFICATIONS:
Available in five (5) packs or boxes of one hundred (100). When ordering
a Five (5) Pack, please add the letter ‘V’ after the catalog number. When
ordering a one hundred (100) piece box, add a ‘H’. To order the part with
a Protective Lens, add the letters ‘XL’ after the package code.
*20A Fuseholder must be used. Fuse is keyed to prevent insertion in lower rated holders.
20A Fuseholder is designed to accept all ratings up to 20 amperes.
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
20 A
1
10
100
CURRENT IN AMPERES
ORDERING INFORMATION:
Catalog
Number
0481.180
0481.200
0481.250
0481.375
0481.500
0481.650
0481.750
0481001.
04811.33
048101.5
0481002.
048102.5
0481003.
048103.5
0481004.
0481005.
048107.5
0481010.
0481012.
0481015.
0481020.
0481000.
Ampere
Rating
(A)
18/100
1/5
1/4
3/8
1/2
65/100
3/4
1
1
1
/
3
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
5
7
1
/
2
10
12
15
20*
Dummy
Body
Nominal Cold
Color
Resistance
Code
Ohms
Yellow
6.25
Red/Black
5.70
Violet
4.20
Gray/White
2.00
Red
1.52
Black
1.25
Brown
.980
Gray
.665
125 VAC
White
.480
&
Yellow/White
.385
125 VDC
Orange
.120
Orange/White
.0904
Blue
.0670
Blue/White
.0415
Brown/White
.0350
Green
.0285
Black/White
.0113
Red/White
.00840
Green/Yellow
.00660
Red/Blue
.00580
Green/White
.00394
ø
Voltage
Rating
Minimum
Melting I
2
t
(A
2
Sec.)
0.00808
0.0140
0.0356
0.028
0.139
0.278
0.363
0.733
1.58
2.55
5.29
9.46
11.2
10.5
15.4
26.2
42.8
115.3
222.5
294.22
570.0
1000
100
TIME IN SECONDS
10
1
0.1
*20A Fuseholder must be used. Fuse is keyed to prevent insertion in lower rated holders.
20A Fuseholder is designed to accept all ratings up to 20 amperes.
0.01
0.1
1000
460
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