
Description
• Fast acting, low breaking capacity
• 5mm x 20mm physical size
• Glass tube, nickel-plated brass endcap construction
• Optional axial leads are .032" x 1.5" copper tinned
• Optional sleeve is flexible flouropolymer
(U.L.flammability rating VW-1)
• Designed to UL/CSA 248-14
Approvals
• UL Listed, Guide JDYX, File E75865, 63mA-6A
• UL Recognition, Guide JDYX2, File E75865, 7A-15A
• CSA Certified, Class 1422-01, File E65063, 63mA-6A
Ordering
• Specify product code, option code and packaging code
Dimensions mm⁄(inches)
* Interrupting ratings: Interrupting ratings for 63mA - 6A were measured at 70% - 80% power factor on AC.The interrupting ratings for 7A - 15A were measured at 100% power factor on AC.
** DC Cold Resistance (Measured at <10% of rated current)
†Typical Pre-Arching I
2
t (I2t was measured at listed interrupting rating and rated voltage)
‡Maximum Voltage drop (Voltage drop was measured at 20°C ambient temperature at rated current)
5mm x 20mm Fuses
GMA Series, Fast Acting, Glass Tube
ELECTRICAL CHARACTERISTICS
Rated Current % of Amp Rating Opening Time
100% None
63mA - 10A 135% 60 minutes maximum
200% 2 minutes maximum
SPECIFICATIONS
Voltage AC Interrupting Typical DC Cold Typical Maximum
Product Code Rating Rating* Resistance Pre-Arc I
2
tVoltage
AC 250V 125V (ohms)** AC† Drop (mV)‡
GMA-63mA 250V 35A 10,000A - 0.00024 4700
GMA-100mA 250V 35A 10,000A - 0.0001 4300
GMA-125mA 250V 35A 10,000A - 0.0024 2600
GMA-200mA 250V 35A 10,000A - 0.001 3400
GMA-250mA 250V 35A 10,000A - 0.018 2200
GMA-300mA 250V 35A 10,000A - 0.019 470
GMA-315mA 250V 35A 10,000A - 0.019 450
GMA-500mA 250V 35A 10,000A 0.454 0.15 230
GMA-600mA 250V 35A 10,000A 0.256 0.32 200
GMA-750mA 250V 35A 10,000A 0.186 0.47 200
GMA-800mA 250V 35A 10,000A 0.170 0.70 180
GMA-1A 250V 35A 10,000A 0.163 0.48 300
GMA-1.2A 250V 100A 10,000A 0.123 0.78 290
GMA-1.25A 250V 100A 10,000A 0.122 0.84 290
GMA-1.5A 250V 100A 10,000A 0.090 1.6 270
GMA-1.6A 250V 100A 10,000A 0.080 2.0 260
GMA-2A 250V 100A 10,000A 0.066 3.1 250
GMA-2.5A 250V 100A 10,000A 0.046 4.9 240
GMA-3A 250V 100A 10,000A 0.039 8.8 215
GMA-3.15A 125V - 10,000A 0.036 9.7 210
GMA-3.5A 125V - 10,000A 0.030 13 210
GMA-4A 125V - 10,000A 0.026 19 205
GMA-5A 125V - 10,000A 0.021 29 200
GMA-6A 125V - 10,000A 0.017 45 180
GMA-7A 125V - 200A 0.012 150 110
GMA-8A 125V - 200A 0.009 280 110
GMA-10A 125V - 200A 0.006 280 110
GMA-15A 125V - 150A 0.004 950 100
.
(.20
.2m
+0.1/-0.2
.81 (REF
(8

100
TIME CURRENT CURVE
5mm x 20mm Fuses
GMA Series, Fast Acting, Glass Tube
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax:+1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper
Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of
any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this
bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
OC-2595 7/01
© Cooper Electronic
Technologies 2001
PACKAGING CODE
Packaging Code Description
BK 100 pieces of fuses packed into a cardboard carton with flaps folded
BK1 1,000 pieces of fuses packed into a poly bag
TR2 1,500 pieces of fuses packed into tape on a reel
OPTION CODE
Option Code Description
S Sealed with a flouropolmer sleeve to withstand aqueous cleaning
V Axial leads - copper tinned wire with nickel plated brass overcaps
10
1.25A
1.5A2A2.5A3A4A
1A
1
5A
6A
AMPERE
TING
RA
TIME IN SECONDS
.1
.01
.4
1
CURRENT IN AMPERES
10
100
200