TABLE I Type designations and electrical rating - Continued.
Type designation
Overload interrupt time 2/
AC short circuit interrupt.
Style
Characteristic
Maximum
Current
135% of rating Max. 1 hour
voltage
rating 3/
200% of rating
300% of rating
32 volts
125 volts
250 volts
(amperes)
(seconds)
(seconds)
F03
B
250V
1/2A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
6/10A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
B
250V
3/4A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
8/10A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
B
250V
1A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
1 1/4A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
1 1/2A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
1 6/10A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
2A
4.0 80.0
2.0 25.0
10,000A
10,000A
35A
F03
B
250V
2 1/2A
10.0 250.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
2 8/10A
10.0 250.0
2.0 25.0
10,000A
10,000A
35A
F03
B
250V
3A
10.0 250.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
250V
3 2/10A
10.0 250.0
2.0 25.0
10,000A
10,000A
35A
F03
1/
B
125V
4A
10.0 250.0
2.0 25.0
10,000A
10,000A
Not rated
F03
B
125V
5A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
1/
B
125V
6 1/4A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
1/
B
125V
7A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
8A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
10A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
12A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
15A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
20A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
1/
B
125V
25A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
F03
B
125V
30A
10.0 250.0
0.05 10.0
10,000A
10,000A
Not rated
1/ INACTIVE FOR NEW DESIGN AFTER 30 JANUARY 1970.
2/ The overload interrupt time ranges, as shown, cover the temperature range from minus 55°C to plus 85°C.
For characteristic B, the overload interrupt time at room ambient temperature shall be not less than 12 seconds at 200
percent rating.
3/ For silver plated terminals the designator "S" is added after the current rating.
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