MIL-DTL-17361/16A(SH)
TABLE IV. Interruption performance test requirements /1.
Element
Interrupting
Power factor
Unit operation
See note
Circuit sample
amperes
circuit amperes
lagging
1A
225
100,000
0.150.20
O-CO-CO
/2
1A (1)
225
14,000
0.250.30
O-CO-CO
/3 /4
1A (1)
20,000
0.150.20
O-CO-CO
/2 /3
1A (1)
75,000
0.150.20
O-CO-CO
/2 /3
1B
125
100,000
0.150.20
O-CO-CO
/2
NOTES:
/1 Oscillograms shall be taken on all interrupting tests.
/2 Circuit breaker shall open and at least one fuse blow.
/3 New circuit breakers may be used for tests above the standard circuit breaker rating.
/4 Circuit breaker shall open on instantaneous trip and fuses shall not blow.
TABLE V.
Endurance and temperature rise test requirements.
Electrical endurance test
The rate of operation shall be 5 operations per minute for a total of
4000 close-open operations.
Temperature rise tests
Size of cable and bus bars for temperature rise tests
Copper bus size
Cable size
Copper rating
(inch)
(amperes)
Ac
DC
AC and DC
250
AWG 0000
AWG 0000
1 X 1/8
4