MIL-PRF-27/364A
Regulation: Shall not exceed 10 percent when computed as follows:
Voltage (no load) - Voltage (rated load) x 100
Voltage (rated load)
TABLE I. Electrical ratings.
Wye secondary (L-C)
Delta secondary (L-L)
Terminals 8, 10, 12
Terminals 9, 11, 13
to center tap (14)
to center tap (14)
Dash
no.
Load
DC
Load
DC
Load
DC
Voltage
Voltage
Voltage
current
resistance
current resistance
current resistance
(V rms)
(V rms)
(V rms)
(A rms)
(ohms)
(A rms)
(ohms)
(A rms)
(ohms)
01
22 ±2.0
1.0
.38 ±25%
19 ±1.0
.578
.50 ±25%
19 ±1.0
.144
.83 ±25%
DC resistance:
Primary:
(1-4): 3.25 ohms ±25 percent.
(2-4): 3.25 ohms ±25 percent.
(3-4): 3.25 ohms ±25 percent.
Secondary: See table I.
Temperature rise: With rated voltage across the primary at 400 Hz, secondary voltages and currents
as specified in Table I, and a maximum ambient temperature of +80°C, the temperature rise shall not
exceed +50°C.
Shock (specified pulse): MIL-STD-202, method 213.
Marking location: See figure 1.
Part or Identifying Number (PIN): M27/364-01.
Changes from previous issue. The margins of this specification are marked with vertical lines to indicate
where changes from the previous issue were made. This was done as a convenience only and the
Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and
contractors are cautioned to evaluate the requirements of this document based on the entire content
irrespective of the marginal notations and relationship to the last previous issue.
Referenced documents.
MIL-PRF-27
MIL-STD-202
3
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