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.
Reference Dimensions:
22.9mm
(.90") MIN.
17.8mm (.70")
21.3mm
(0.84")
REF.
AGENCY FILE NUMBERS: UL E71611, CSA LR 29862
LENS
INTERRUPTING RATINGS:
19.6mm
(.77")
450 amperes at 60 VDC
300 amperes at 125 VAC (up to 20 amperes)
300 amperes at 125 VDC (up to 15 amperes)
200 amperes at 125 VDC (up to 20 amperes)
11.7mm
(.46")
16.9mm
(.665") MAX.
ENVIRONMENTAL SPECIFICATION:
4.45
(.175")
2.77
(.109")
2.79
(.110")
Operating Temperature: –55°C to +125°C
PHYSICAL SPECIFICATIONS:
Construction Materials:
5.8mm
(.23")
5.3mm
(.21")
Body:
Polyphenylene Sulfide (UL 94V0)
Terminations:
Beryllium Copper/Tin Plated
1-15A
20A*
Optional Lens: Nylon
*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.
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
Average Time Current Curves
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.
ORDERING INFORMATION:
1000
Ampere
Rating
(A)
Voltage
Rating
Body
Color
Code
Nominal Cold
Resistance
Ohms
Minimum
Melting I2t
(A2 Sec.)
Catalog
Number
0481.180
0481.200
0481.250
0481.375
0481.500
0481.650
0481.750
18/100
1/5
Yellow
Red/Black
Violet
6.25
5.70
4.20
2.00
1.52
1.25
.980
0.00808
0.0140
0.0356
0.028
100
10
1/4
3/8
1/2
65/100
3/4
Gray/White
Red
0.139
Black
Brown
0.278
0.363
0481001.
04811.33
048101.5
0481002.
048102.5
1
Gray
White
.665
.480
.385
.120
.0904
0.733
1.58
2.55
5.29
9.46
1
3
1 /
125 VAC
&
125 VDC
1
2
1 /
Yellow/White
Orange
2
1
2
2 /
Orange/White
1
0481003.
048103.5
0481004.
0481005.
048107.5
0481010.
0481012.
0481015.
0481020.
0481000.
3
Blue
.0670
.0415
.0350
.0285
11.2
10.5
15.4
26.2
42.8
115.3
222.5
294.22
570.0
1
2
3 /
Blue/White
Brown/White
Green
4
5
1
2
7 /
Black/White
Red/White
Green/Yellow
Red/Blue
Green/White
ø
.0113
0.1
10
12
.00840
.00660
.00580
.00394
15
20*
Dummy
0.01
*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.
0.1
1
10
100
1000
CURRENT IN AMPERES
460
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