1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/321D 21 June 2010 SUPERSEDING MIL-PRF-27/322D 19 January 1989 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 200 VOLT-AMPERES, 60 HERTZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The complete re
2、quirements for procuring the transformer described herein shall consist of this document and the latest issue of specification MIL-PRF-27. FIGURE 1. Dimensions and configurations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/321D 2 Inch
3、es mm Inches mm .005 .010 0.13 0.25 .464 .625 11.79 15.88 .016 0.41 .875 22.22 .031 0.79 1.063 27.00 .062 1.57 2.63 66.8 .070 1.78 2.75 69.8 .080 2.03 3.00 76.2 .094 .125 2.39 3.18 3.38 3.88 85.8 98.6 .188 4.78 4.06 103.1 .250 .375 6.35 9.52 4.69 5.25 6.00 119.1 133.4 152.4 NOTES: 1. Dimensions are
4、in inches. 2. Metric equivalents are given for general information only. 3. Marking shall be on the sides of the case. 4. Unless otherwise specified, tolerance shall be .063 (1.60 mm). 5. Electrical values shall be marked as specified in table I, except DCR. 6. The mounting surface can be painted. F
5、IGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/321D 3 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding
6、.) Electrical ratings: Primary voltage (1-2): 115 volts ac, 50 to 60 hertz. Primary dc resistance: 1.1 ohms 25 percent. Secondary voltage (3-5): See table I. Volt-ampere rating: 200 volt-amperes. Working voltage (1-2): 535 volts peak. Design and construction: Dimensions and configuration: See figure
7、 1. Duty cycle. Continuous. Case: Metal enclosed. Material: Steel. Terminals: Solderable terminals. Dash numbers Terminal type Height (inches) Diameter (inches) 01 through 05 hook 0.464 .031 0.080 .005 06 through 27 hook 0.375 .031 0.062 .005 Weight: 10.5 pounds, maximum. Operating temperature range
8、. -55C to +130C. Altitude: 10,000 feet. Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds. Dielectric withstanding voltage (each winding) (at sea level): 1,500 volts rms. Electrical characteristics: Rated load: With 115 volts ac and 60 Hz across (1-2), and rated current in sec
9、ondary, the voltage across (3-5) shall be as specified in table I. Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 10 percent. Polarity: Additive with terminals 2 and 3 connected. Temperature rise: +35C with 115 volts ac, 60 hertz across (1-2) at an ambient tempe
10、rature of +95C, full load terminals (3-5). Shock (specified pulse): MIL-STD-202, Method 213, test condition G. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/321D 4 Marking location: See figure 1. Part or Identification Number (PIN): M27/
11、321-(dash number from table I). TABLE I. Electrical ratings. Dash number Secondary (3-5) Voltage (volts) 3 percent Current 1/ (amperes) DC resistance (ohms) 25 percent 01 10.0 20.00 0.015 02 12.6 15.90 0.027 03 14.0 14.30 0.029 04 16.0 12.50 0.034 05 18.0 11.10 0.045 06 20.0 10.00 0.066 07 22.0 9.10
12、 0.073 08 25.0 8.00 0.079 09 28.0 7.10 0.11 10 31.0 6.40 0.12 11 35.0 5.71 0.17 12 39.0 5.12 0.18 13 43.0 4.64 0.26 14 48.0 4.17 0.29 15 55.0 3.64 0.41 16 63.0 3.18 0.47 17 70.0 2.860 0.67 18 80.0 2.500 0.74 19 90.0 2.220 1.05 20 100 2.000 1.17 21 110 1.820 1.60 22 123 1.620 1.80 23 138 1.450 2.50 2
13、4 25 26 27 157 175 200 220 1.270 1.140 1.000 0.914 2.86 4.09 4.55 6.50 1/ For 50 Hz operation, reduce secondary current by 10 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/321D 5 VERIFICATION: Extent of qualification: Qualificat
14、ion testing and approval to M27/312-26, M27/316-30, and M27/322-24 shall be sufficient to grant qualification approval to MIL-PRF-27/312 through MIL-PRF-27/322, inclusive, all parts. Qualification testing and approval to M27/321-27 shall be sufficient to grant qualification approval M27/321-01 throu
15、gh M27/321-27. 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. Bi
16、dders 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 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC
17、Air Force - 85 (Project 5950-2009-064) DLA - CC Review activities: Army AR, CR4 Navy - AS, MC, OS, SH Air Force - 19, 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
