DLA MIL-PRF-27 340 E-2011 TRANSFORMERS POWER 15 VOLTAMPERES 400 HZ.pdf

1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/340E 22 April 2011 SUPERSEDING MIL-PRF-27/340D 22 January 1992 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 15 VOLTAMPERES, 400 HZ This specification is approved for use by all Departments and agencies of the Department of Defense. The requirements for

2、 acquiring the product 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. Marking shall be on the top and sides of the case. 4. Dimensional tolerance shall be .031 unless othe

3、rwise specified. 5. Dimensions G and H to be measured at top of transformer. FIGURE 1. Dimensions and configurations. M34 5 1 2 115 V 400 Hz “X“ V rms.“X“ AMPERESCT(SEE TABLE I FOR VALUE OF “X“ ) CIRCUIT DIAGRAM .062 .010DIA.169 .187.375J4215BOTTOM VIEW .125 3.116 .005 DIA THRU HOLE 2 PLS L G K H .2

4、50TYP.125Inches mm .005 0.13 .010 0.25 .031 0.79 .062 1.57 .116 2.95 .125 3.18 .169 4.29 .187 4.75 .250 6.35 .375 9.53 Ltr Dimensions Inches mm G H J K L M 1.43 .015 1.24 .015 1.27 .015 0.99 .015 1.18 .015 .250 .031 36.3 0.38 31.5 0.38 32.3 0.38 25.1 0.38 30.0 0.38 6.35 0.79 Provided by IHSNot for R

5、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/340E 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (1-2): 115 volts rms, 400 20 hertz. S

6、econdary voltage and current (3-5): See table I. Volt-ampere: 15 voltamperes. Working voltage (1-2): 535 volts peak. Design and construction: Dimensions and configuration: See figure 1. Duty cycle. Continuous. Case: Encapsulated. Material: Diallyl phthalate. Terminals: Turret type. Height: .169 inch

7、. Weight: .28 pound, maximum. Operating temperature range. -55 to +130C. Altitude: 70,000 feet. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage (each winding): At sea level: 1500 volts rms. At reduced barometric pressure: 1.25 times the peak wo

8、rking voltage specified. Electrical characteristics: Rated load: With 115 volts rms and 400 Hz in (1-2), and rated current in secondary, the voltage across (3-5) shall be as specified in table I. DC resistance: (1-2): 14 ohms 25 percent. (3-5): See table I. Temperature rise: 45C with 115 volts rms,

9、400 hertz across (1-2) at an ambient temperature of 85C, full load terminals (3-5). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/340E 3 Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 10 percent. Pol

10、arity: Additive with terminals 2 and 3 connected. Marking location: See figure 1. Part or Identifying Number (PIN): M27/340-(dash number from table I). TABLE I. Electrical ratings. Dash number M27/340 Secondary voltage (3-5) (V rms) 5% (CT) Secondary current (3-5) (amperes) Secondary DCR (3-5) (ohms

11、) 25% -01 5.0 3.0 .052 -02 6.3 2.38 .088-03 8.0 1.8 .135 -04 10.0 1.5 .27 -05 12.6 1.18 .32 -06 14.0 1.07 .35 -07 16.0 .94 .54 -08 18.0 .832 .74 -09 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 20.0 22.0 25.0 28.0 31.0 35.0 39.0 43.0 48.0 55.0 63.0 70.0

12、 80.0 90.0 100.0 110.0 123.0 138.0 157.0 175.0 200.0 220.0 26.0 115.0 .750 .680 .600 .535 .485 .428 .384 .348 .312 .262 .238 .214 .198 .166 .150 .136 .122 .108 .095 .085 .071 .068 .577 .130 1.4 .92 1.3 1.83 1.62 2.28 2.54 2.85 4.05 7.2 6.51 9.4 13.4 15.9 16.8 22.1 30.7 36.0 53.0 56.0 65.0 91.5 1.35

13、23.10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/340E 4 VERIFICATION: Extent of qualification: Qualification testing and approval to M27/338-28 and M27/343-32 shall be sufficient to grant qualification approval to MIL-PRF-27/338 throu

14、gh MIL-PRF-27/343 inclusive, all parts. Qualification testing and approval to M27/340-32 shall be sufficient to grant qualification approval to M27/340-01 through M27/340-32. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from

15、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 n

16、otations and relationship to the last previous issue. Referenced documents. MIL-PRF-27 MIL-PRF-27/338 MIL-PRF-27/339 MIL-PRF-27/341 MIL-PRF-27/342 MIL-PRF-27/343 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air force 85 DLA - CC Review activities: (Project 5950-2009-055)

17、Army AR, CR4 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 https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-