With TR2 packaging code, lead wire length is 19.05 mm
Electrical Characteristics
% of Amp Rating
Opening Time
100%
None
135%
60 minutes maximum
200%
2 minutes maximum
Rated Current
63mA - 15A
Product Code
GMA-63-R
GMA-100-R
GMA-125-R
GMA-200-R
GMA-250-R
GMA-300-R
GMA-315-R
GMA-500-R
GMA-600-R
GMA-750-R
GMA-800-R
GMA-1-R
GMA-1.25-R
GMA-1.5-R
GMA-1.6-R
GMA-2-R
GMA-2.5-R
GMA-3-R
GMA-3.15-R
GMA-3.5-R
GMA-4-R
GMA-5-R
GMA-6-R
GMA-7-R
GMA-8-R
GMA-10-R
GMA-15-R
*
**
†
‡
Amp
Rating
63mA
100mA
125mA
200mA
250mA
300mA
315mA
500mA
600mA
750mA
800mA
1
1.25
1.5
1.6
2
2.5
3
3.15
3.5
4
5
6
7
8
10
15
Voltage
Rating
Vac
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
125
125
125
125
125
125
125
125
125
Interrupting
Rating (amps)*
250Va c
a
125Vac
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
100
10,000
100
10,000
100
10,000
100
10,000
100
10,000
100
10,000
-
10,000
-
10,000
-
10,000
-
10,000
-
10,000
-
200
-
200
-
200
-
150
Speci cations
Typical DC Cold
Resistance
(Ω)**
15.750
7.840
4.895
2.500
1.735
0.906
0.839
0.454
0.256
0.186
0.170
0.163
0.122
0.090
0.080
0.066
0.046
0.039
0.036
0.030
0.026
0.021
0.017
0.012
0.009
0.006
0.004
Typical
Pre-Arc I
2
t
Vac†
0.00024
0.0001
0.0024
0.001
0.018
0.019
0.019
0.15
0.32
0.47
0.70
0.48
0.84
1.6
2.0
3.1
4.9
8.8
9.7
13
19
29
45
150
280
280
950
Maximum
Voltage
Drop (mV)‡
4700
4300
2600
3400
2200
470
450
230
200
200
180
300
290
270
260
250
240
215
210
210
205
200
180
110
110
110
100
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 (I
2
t was measured at listed interrupting rating and rated voltage)
Maximum Voltage drop (Voltage drop was measured at 20°C ambient temperature at rated current)
Technical Data
2017
Effective
May
2017
GMA
5 mm x
20
mm
Fast-acting
glass tube fuses
38.1 0 mm
1
(±. 3
±
. 8)
5.54mm
(
±.20)
Dimensions - mm
(±
(±
21.10 mm
0
(±.8 1 )
8
5.2mm
(+0.1/-0.2)
0.65mm
(REF)
38.10 mm
0
Time-Current Curve – GMA-R 63mA-800mA
Time-Current Curve – GMA-R 1-15A
(±.38)
.3
3
Packaging Code
BK
BK1
TR2
Description
100 fuses packed into a cardboard carton
1000 fuses packed into a poly bag
1500 fuses packed into tape on a reel (19.05mm lead wire length)
Packaging Code
Option Code
V
Description
Axial leads - copper tinned wire with nickel-plated brass overcaps
Option Code
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
