Fast-Acting Indicating Telecom Fuse
60Vdc/125Vac
Dimensional Data — in
0.127
0.107
CONTACT AND
ALARM SPRING
0.688
MAX.
0.585
0.118
0.81
Catalog Symbol:
GMT
Fast-acting indicating fuse for telecom circuits.
Ratings:
Volts: 60Vdc/125Vac
Amps: 18/100 – 15A
IR: 450A @ 60Vdc
300A @ 125Vac
Agency Information:
UL Recognized, Guide JFHR2, File E56412
Materials:
Body: Thermoplastic (flammability rating: UL94V0)
Terminals: Tin-plated beryllium copper
Carton Quantity & Weight:
100 fuses per carton, 0.33 lbs. (150g.)
Fuse Holders:
Catalog Nos. HLS, HLT and PCT
General Information:
• For telecom, computer, or control circuits.
• Visual spring indicating and alarm circuit indicating.
• Color coded flags designate amp rating.
• Fuses easily replaced without use of insulated tools.
• Fuses can be removed with wire hook when mounted on
minimum centers.
•
GMT-X
fuse cover available.
•
GMT-Y
fuse cover (with pull-tab) available.
Catalog Symbol and Color Codes
Catalog
Symbol
GMT-18/100A
GMT-1/4A
GMT-3/8A
GMT-1/2A
GMT-65/100A
GMT-3/4A
GMT-1A
GMT-1 1/3A
GMT-1 1/2A
GMT-2A
GMT-3A
Color
Code
Yellow
Violet
White/Gray
Red
Black
Brown
Gray
White
White/Yellow
Orange
Blue
Catalog
Symbol
GMT-3 1/2A
GMT-4A
GMT-5A
GMT-7 1/2A
GMT-10A
GMT-12A
GMT-15A
GMT-Dummy
GMT-A (alarm)*
GMT-X (cover)
Color
Code
White/Blue
White/Brown
Green
Black/White
Red/White
Yellow/Green
Red/Blue
Gray
Yellow
Clear
Covers — in (mm)
0.20"
(5.1mm)
BUSS GMT-X
0.95"
(24.0mm)
0.36"
(9.0mm)
0.84"
(21.3mm)
GMT-X Fuse Cover
0.95"
(24.0mm)
0.20"
(5.1mm)
BUSS GMT-Y
0.7"
(17.8mm)
0.84"
(21.3mm)
GMT-Y Fuse Cover
*Designed specifically for use in the Telpower
®
Series 15800 fused
disconnect switch.
0708
BU-SB08204
Page 1 of 2
Data Sheet 5008
Time-Current Characteristic Curves–Average Melt
⁄
2
A
3
⁄
4
A
1
1
⁄
3
A
1
12A
300
100
Amp
Rating
10
Time In Seconds
1
1
.1
Current In Amps
Test Specifications
Percent
Overload
100%
150%
Opening
Time
10 min. (minimum)
5 min. (maximum)
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin
is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to
change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any technical infor-
mation contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
0708
BU-SB08204
Page 2 of 2
Data Sheet 5008
1,000
0
1
100
.01
10
.1
1
⁄
100
A
⁄
4
A
3
⁄
8
A
65
⁄
100
A
1A
1.5A
2A
3A
4A
5A
7.5A
10A
15A
18
1
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