MIL-PRF-15160/62H
VERIFICATION:
Qualification inspections: The number of qualification samples required shall be:
a. 24 samples maximum current rating of each voltage and design.
b. 24 samples minimum current rating of each voltage and design.
NOTE: If labels are used, five additional samples of any rating are required.
Sample size: The number of group III samples shall be twelve samples each of the maximum and
minimum current ratings. The samples shall be divided as shown in table II.
TABLE II. Short circuit test.
Number of
Short circuit
Test
samples
current
voltage
3
5,000 A
500 V ac 1/
3
200,000 A
500 V ac 1/
500 V dc
3
5,000 A
3
150,000 A
500 V dc
1/ A 600 volt ac test voltage may be used.
Group C inspection: Group C inspection shall be performed on short circuit current ratings of 5,000 A at
500 V ac; 200,000 A at 500 V ac; and 5,000 A at 500 V dc. The 150,000 A at 500 V dc short circuit
current test is not required to be performed for group C testing.
INSPECTION ROUTINE:
AC short circuit test: AC short circuit tests shall be performed at the currents shown in table II at not less
than 500 volts, single phase, and not greater than 20 percent power factor, lagging. The current shall be
applied within plus or minus 10 degrees of the zero point of the voltage wave.
DC short circuit test: DC short circuit tests shall be performed at the currents shown in table II at not
Less than 500 volts. The rate of rise shall be between 25,000,000 and 30,000,000 amperes per second.
Cross-reference: For applicable cross-reference see table III. The existing stocks of superseded items
may be used. When exhausted, the superseding parts shall be used.
TABLE III. Cross-reference.
Superseding
Superseded numbers for CAGE
number
81349
96906
F62C500V35A
F62H35R0C
MS15251-1
F62C500V40A
F62H40R0C
MS15251-2
F62C500V45A
F62H45R0C
MS15251-3
F62C500V50A
F62H50R0C
MS15251-4
F62C500V60A
F62H60R0C
MS15251-5
3
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