DLA MIL-PRF-27 60 E-2009 TRANSFORMERS POWER 250 VOLT AMPERES 400 HZ .pdf

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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/60E 29 September 2009 SUPERSEDING MIL-PRF-27/60D 18 February 1986 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 250 VOLT AMPERES, 400 HZ, This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirem

2、ents for acquiring the transformer described herein shall consist of this specification sheet and MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Tolerance on terminal position dimensions is .015 (0.38 mm). 4. Marking shall be on the s

3、ide of the case. 5. Secondary electrical values shall be marked as specified in table I, as applicable. FIGURE 1. Dimensions and configurations 2.250 MTG. SQ.21.375.375.375 .375.344 .0312.000 .0312.875 .031 DIA.390 MAX.115 V400 HZCIRCUIT DIAGRAM AND MARKING345MAX W.V. , “X“V“MAX ALT 70 .000(SEE TABL

4、E I FOR VALUE OF “X“)“X“ VOLTAGE “X“ mA OR A1 2 34 5.250 DIA. TYP.164-32 UNC - 2A4-MTG. Inches mm .031 0.79 .164 4.17 .250 6.35 .344 8.74 .375 9.52 .390 9.91 2.000 50.80 2.250 57.15 2.875 73.02 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-

5、27/60E 2 REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Primary voltage (1-2): 115 volts 10 percent, 400 Hz 5 percent. Design and construction: Dimensions and configuration: See

6、 figure 1. Weight: 30 ounces, maximum. Duty cycle: Continuous. Case: Metal enclosed. Material: Steel. Altitude: 70,000 feet, maximum. Operating temperature range: -55C to +130C. Terminals: Feed thru. Terminal height: .390 inch (9.91 mm), maximum. Terminal strength: MIL-STD-202, method 211, test cond

7、ition A, 5 pounds. Dielectric withstanding voltage: At sea level: 2.8 times the maximum working voltage specified in table I. At reduced barometric pressure: 1.25 times the maximum working voltage specified in table I. Electrical characteristics: No load: With 115 volts rms, 400 Hz across (1-2): Cur

8、rent in (1-2) shall not exceed 125 mA rms. Rated load: With 115 volts, 400 Hz across (1-2) and a restrictive load with current as specified in table I in (3-5), the voltage across (3-5) shall be as specified in table I. Efficiency: 95 percent minimum at rated load. Polarity: Additive with terminals

9、2 and 3 connected. Regulation: Voltage (no load) - Voltage (rated load) x 100 Voltage (rated load) shall not exceed 2 percent. Phase shift: 1.0 electrical degree between primary and secondary voltage at rated load, maximum. Temperature rise: 55C, maximum with 115 volts, 400 Hz across (1-2) at an amb

10、ient temperature of 75C. Vibration: MIL-STD-202, method 204, test condition D. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/60E 3 Marking location: See figure 1. VERIFICATION Extent of qualification Qualification testing and approval to

11、 M27/37-49 A or B, M27/51-44 A or B, M27/53-44 A or B, M27/55-44 and M27/66-27 shall be sufficient to grant qualification approval to MIL-PRF-27/49 through MIL-PRF-27/56 inclusive, all parts. Qualification testing and approval to M27/60-27 shall be sufficient to grant qualification approval to M27/6

12、0-01 through M27/60-27. Part or Identification Number (PIN): M27/60-(dash number from table I). TABLE I. Electrical ratings. Dash No. Secondary voltage (3-5) (V rms) 3% Secondary current (3-5) (amps rms) Working voltage (V rms) (MAX) 01 02 03 0 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 2

13、3 24 25 26 27 26 28 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 115 120 130 150 180 200 220 240 270 300 9.62 8.93 8.33 7.58 6.94 6.41 5.81 5.32 4.90 4.46 4.03 3.68 3.33 3.05 2.75 2.50 2.27 2.17 2.08 1.92 1.66 1.39 1.25 1.14 1.04 0.93 0.83 325 325 325 325 325 325 325 325 325 325 325 325 325 325 32

14、5 325 325 325 325 325 325 325 440 440 440 580 580 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/60E 4 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previo

15、us 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 a

16、nd relationship to the last previous issue. Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-PRF-27/49 MIL-PRF-27/50 MIL-PRF-27/51 MIL-PRF-27/52 MIL-PRF-27/53 MIL-PRF-27/54 MIL-PRF-27/55 MIL-PRF-27/56 MIL-STD-202 Custodians: Preparing activity: Army - CR D

17、LA - CC Navy - EC Air Force - 85 (Project 5950-2009-022) DLA - CC Review activities: Army - CR4, MI Navy - AS, MC, OS 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-