Description
• Fast-acting, low breaking capacity
• Optional axial leads available
• 5 x 20mm physical size
• Glass tube, silver-plated (63mA-315mA) and nickel-
plated (500mA-15A) brass endcap construction
• Designed to UL/CSA 248-14
• Ratings above 6.3A have a 0.8mm diameter lead
• With TR2 packaging code, lead wire length is 19.05mm
Agency Information
• UL Listed, Guide JDYX, File E19180, 63mA-6A
• UL Recognized, Guide JDYX2, File E19180, 7-15A
• CSA Certified, Class 1422-01, File 53787, 63mA-6A
• PSE Approval, 1A-15A
Ordering
• Specify packaging, product, and option code
Dimensions - mm
* 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 I2t (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)
Electrical Characteristics
Rated Current % of Amp Rating Opening Time
100% None
63mA - 15A 135% 60 minutes maximum
200% 2 minutes maximum
Specifications
Voltage Interrupting Typical DC Cold Typical Maximum
Product Code Amp Rating Rating (amps)* Resistance Pre-Arc I2t Voltage
Rating Vac 250Vac 125Vac (ΩΩ)** Vac† Drop (mV)‡
GMA-63-R 63mA 250 35 10,000 15.750 0.00024 4700
GMA-100-R 100mA 250 35 10,000 7.840 0.0001 4300
GMA-125-R 125mA 250 35 10,000 4.895 0.0024 2600
GMA-200-R 200mA 250 35 10,000 2.500 0.001 3400
GMA-250-R 250mA 250 35 10,000 1.735 0.018 2200
GMA-300-R 300mA 250 35 10,000 0.906 0.019 470
GMA-315-R 315mA 250 35 10,000 0.839 0.019 450
GMA-500-R 500mA 250 35 10,000 0.454 0.15 230
GMA-600-R 600mA 250 35 10,000 0.256 0.32 200
GMA-750-R 750mA 250 35 10,000 0.186 0.47 200
GMA-800-R 800mA 250 35 10,000 0.170 0.70 180
GMA-1-R 1 250 35 10,000 0.163 0.48 300
GMA-1.25-R 1.25 250 100 10,000 0.122 0.84 290
GMA-1.5-R 1.5 250 100 10,000 0.090 1.6 270
GMA-1.6-R 1.6 250 100 10,000 0.080 2.0 260
GMA-2-R 2 250 100 10,000 0.066 3.1 250
GMA-2.5-R 2.5 250 100 10,000 0.046 4.9 240
GMA-3-R 3 250 100 10,000 0.039 8.8 215
GMA-3.15-R 3.15 125 - 10,000 0.036 9.7 210
GMA-3.5-R 3.5 125 - 10,000 0.030 13 210
GMA-4-R 4 125 - 10,000 0.026 19 205
GMA-5-R 5 125 - 10,000 0.021 29 200
GMA-6-R 6 125 - 10,000 0.017 45 180
GMA-7-R 7 125 - 200 0.012 150 110
GMA-8-R 8 125 - 200 0.009 280 110
GMA-10-R 10 125 - 200 0.006 280 110
GMA-15-R 15 125 - 150 0.004 950 100
5 x 20mm Fast-acting Glass Tube Fuses
GMA Series
(
±
5
.2m
m
(
+0.1/-0.2
)
38.10mm
10
(
±
±
.38)
.3
5
.
5
4m
m
(
±
.20
)
21.10mm
0
0m
(
±
.81)
8
81
0
.
65
m
m
(
REF
)
(
±
38.10mm
0m
0m
(
±
3
8
)
.3
.3
0410 BU-SB091174 Page 1 of 2 Data Sheet 2017
Time-Current Curve – GMA-R 1-15A
Time-Current Curve – GMA-R 63mA-800mA
Packaging Code
Packaging Code Description
BK 100 fuses packed into a cardboard carton
BK1 1000 fuses packed into a poly bag
TR2 1500 fuses packed into tape on a reel (19.05mm lead wire length)
Option Code
Option Code Description
VAxial leads - copper tinned wire with nickel-plated brass overcaps
0410 BU-SB091174 Page 2 of 2 Data Sheet 2017
© 2010 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
