MIL-PRF-27/320C
TABLE I. Electrical ratings Continued.
Secondary (3-5)
Dash
Current 1/
DC resistance
Circuit
Voltage
number
(amperes)
(ohms)
diagram
(volts)
±25 percent
±3 percent
29
40.0
4.10
0.277
B
30
8.0
20.00
.014
B
31
10.0
16.00
.018
B
32
12.6
12.70
.038
B
33
14.0
11.40
.042
B
34
16.0
10.00
.046
B
35
18.0
8.89
.060
B
36
20.0
8.00
.070
B
37
22.0
7.27
.092
B
38
25.0
6.40
0.110
B
39
28.0
5.72
0.150
B
40
31.0
5.17
0.166
B
41
35.0
4.57
0.240
B
42
39.0
4.10
0.270
B
43
43.0
3.70
0.382
B
44
48.0
3.33
0.405
B
45
55.0
2.91
0.600
B
46
63.0
2.52
0.640
B
47
70.0
2.280
0.93
B
48
80.0
2.000
1.06
B
49
90.0
1.780
1.49
B
50
100
1.600
1.69
B
51
110
1.450
2.30
B
52
123
1.300
2.57
B
53
138
1.150
3.60
B
54
157
1.020
4.10
B
55
175
0.914
5.82
B
56
200
0.800
6.70
B
57
220
0.728
8.95
B
1/ For 50 Hz operation, reduce secondary current by 10 percent.
VERIFICATION:
Extent of qualification:
Qualification testing and approval to M27/312-26 or M27/316-30 or M27/322-24 shall be sufficient to grant
qualification approval to MIL-PRF-27/312 through MIL-PRF-27/322, inclusive, all parts.
Qualification test and approval to M27/320-28 shall be sufficient to grant qualification approval M27/320-01
through M27/320-56.
5
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