MIL-PRF-39019/1H
TABLE I. Circuit breaker dash numbers and applicable characteristics - Continued.
Dash number 1/
Current
Time delay
Resistance or impedance
rating
(ohms - max) 2/
(amps)
Standard
High
DC
60 Hz
400 Hz
delay
inrush
245
330
9.0
A
0.022
0.022
0.028
246
331
9.0
B
0.022
0.022
0.028
247
---
9.0
C
0.022
0.022
0.028
248
332
10.0
A
0.018
0.021
0.024
249
333
10.0
B
0.018
0.021
0.024
250
---
10.0
C
0.018
0.021
0.024
251
334
12.5
A
0.012
0.013
0.015
252
335
12.5
B
0.012
0.013
0.015
253
---
12.5
C
0.012
0.013
0.015
254
336
15.0
A
0.009
0.009
0.010
255
337
15.0
B
0.009
0.009
0.010
256
---
15.0
C
0.009
0.009
0.010
257
338
20.0
A
0.006
0.006
0.007
258
339
20.0
B
0.006
0.006
0.007
259
---
20.0
C
0.006
0.006
0.007
1/ For configuration 2, add "S" at end of dash number.
2/ The corresponding maximum wattage losses, which in no case shall exceed 3.0 watts, may be calculated as
2
2
I R or I Z.
6
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