1、 AMSC N/A FSC 5945 INCH-POUND MS25271J w/AMENDMENT 1 15 December 2004 SUPERSEDING MS25271J 27 November 2003 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 10 AMPERES, 4 PDT, TYPE I, SOLDER HOOK, HERMETICALLY SEALED INACTIVE FOR NEW DESIGN AFTER 15 NOVEMBER 2002. NO SUPERSEDING SPECIFICATION. Th
2、is specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the relay described herein shall consist of this specification and the latest issue of MIL-PRF-6106. FIGURE 1. Dimensions and configurations. Provided by IHSNot for Resal
3、eNo reproduction or networking permitted without license from IHS-,-,-MS25271J w/AMENDMENT 1 2 Inches mm Inches mm .001 0.03 .152 3.86 .003 0.08 .375 9.53 .005 0.13 .500 12.70 .010 0.25 .594 15.09 .040 1.02 1.000 25.40 .062 1.57 1.187 30.15 .125 3.18 1.531 38.89 .138 3.51 1.812 46.02 NOTES: 1/ Dimen
4、sions are in inches. 2/ Metric equivalents are given for general information only. 3/ Unless otherwise specified, tolerance is .010 (0.25 mm). 4/ Terminal numbers need not appear on relay header provided there is affixed to the relay a suitable legible circuit diagram that permanently and positively
5、 identifies each terminal location specified herein. 5/ In the event of conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 6/ Referenced Government documents of the issue listed in that issue of the Department of Def
6、ense Index of Specifications and Standards (DoDISS) specified in the solicitation forms a part of this specification to the extent specified herein. TABLE I. Dash numbers and characteristics. Dash number MS25271- Type Coil Terminal type Mounting Max weight in pounds D1 I dc Solder hook Stud .45 A1 I
7、 ac Solder hook Stud .45 FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25271J w/AMENDMENT 1 3 TABLE II. Operating characteristics. Coil data Time - milliseconds max Rated Max Max pick-up voltag
8、eContact Bounce Main Aux PIN MS25271- Coil Volts 1/ Freq Hz Res 10% Volts Amp Nor-mal 2/ Hightemp. test Cont cur-rent test Drop out vol-tage 2/ Holdvol-tage 2/ Op-erate 3/ Rel-ease 4/ NO NCNO NC D1 X1, X2 28 dc 110 29 0.350 18 19.5 22.5 1.5 7.0 20 20 2 2 N/A N/AA1 X1, X2 115 400 5/ N/A 122 0.073 90
9、95 103 5.0 30 25 50 2 2 N/A N/A1/ CAUTION: Use of any coil voltage less than rated coil voltage will compromise the operation of the relay. 2/ Over the temperature range. 3/ With nominal coil voltage. 4/ From nominal coil voltage. 5/ MS25271-A1 may be used on 60 Hz if maximum ambient temperature is
10、85C (coil current shall be 0.077 ampere maximum). TABLE III. Rated contact load (amperes per pole) (case grounded). 28 V dc 115 V ac, 1 phase 115/200 V ac, 3 phase 1/ Main Aux Main Aux Main Aux Type of load Life operating cycles x 103NO NC NO NC 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz S
11、ee appropriate notes Resistive 100 10 10 10 6 10 6 Inductive 100 Inductive 20 6 6 6 4 6 4 Motor 100 4 4 4 3 4 3 Lamp 100 2 2 2 1.5 2 1.5 Transfer load 2/ Mechanical life reduced current 400 2.5 2.5 2.5 2 2.5 2 Mixed loads Applicable per specification 1/ Absence of value indicates relay is not rated
12、for 3-phase applications. 2/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated. Environmental characteristics. Temperature range -70C to +125C Max altitude rating 80,000 ft Shock G-level 50 gs Duration 11 ms Max duration contact openi
13、ng 10 s Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25271J w/AMENDMENT 1 4 Vibration - sinusoidal (see chart below) G-level 10 gs Frequency range 5-1,500 Hz Vibration random Applicable specification N/A Power spectral density N/A RMS G min N/A
14、Frequency range N/A Curve N/A High shock N/A Acceleration 15 gs Electrical characteristics. Insulation resistance, initial 100 megohms. After life or environmental tests 50 megohms. Dielectric strength (sea level). Initial After life tests Coil to case 1,000 V rms 1,000 V rms Aux contacts All other
15、points 1,500 V rms 1,125 V rms Dielectric strength (altitude). 80,000 ft Coil to case 250 V rms Aux contacts All other points 350 V rms Max contact drop initial 0.150 volt. After life test 0.175 volt. Overload current 20 amperes. Rupture current 25 amperes. Duty rating Continuous. RFI specification
16、MIL-STD-461 (Applicable to coil circuits of ac operated relays). Qualification by similarity: See MIL-PRF-6106. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25271J w/AMENDMENT 1 5 Conformance inspection. Group B and group C testing are not requi
17、red. The manufacturer shall notify the qualifying activity in the event of any design or construction changes, and shall impose additional testing requirements as necessary. NOTES Referenced documents. In addition to MIL-PRF-6106, this document references the following: MIL-STD-461 The margins of th
18、is specification are marked with vertical lines to indicate modifications generated by this amendment. 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
19、 this document based on the entire content irrespective of the marginal notations. Custodians: Preparing activity: Navy - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1273) Review activities: Navy - EC 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 ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
