1、INCH-POUND MS25273H w/AMENDMENT 2 17 March 2005 SUPERSEDING MS25273H w/AMENDMENT 1 15 December 2004 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 10 AMPERES, 2 PDT, TYPE I, SOLDER TERMINALS, STUD MOUNTED, HERMETICALLY SEALED INACTIVE FOR NEW DESIGN AFTER 15 NOVEMBER 2002. NO SUPERSEDING SPECIF
2、ICATION. This 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. AMSC N/A FSC 5945
3、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25273H w/AMENDMENT 2 2 Inches mm Inches mm .001 0.03 .235 5.97.002 0.05 .357 9.53 .005 0.13 .687 17.45.010 0.25 .750 19.05 .031 0.79 .812 20.62.040 1.02 1.100 27.94 .062 1.57 1.187 30.15.138 3.51 1.5
4、31 38.89 .152 3.86 1.781 45.24.187 4.75 NOTES: 1/ Dimensions 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
5、legible circuit diagram that permanently and positively 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
6、the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation forms a part of this specification to the extent specified herein. 7/ The use of diodes on ac relays is optional. Actual application must be shown on label (dash n
7、umbers -A1 and -A2 are inactive for new design). FIGURE 1. Dimensions and configurations - Continued. TABLE I. Dash numbers and characteristics. Dash number MS25273- Type Coil Terminal type Mounting Max weight in pounds D1 I dc Solder hook Stud .30 A1 1/ I ac Solder hook Stud .32A2 1/ I ac Solder ho
8、ok Stud .32 1/ Dash number -A1 and -A2 are inactive for new design and shall be used for support of existing systems only. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25273H w/AMENDMENT 2 3 TABLE II. Operating characteristics. Coil data Time -
9、(milliseconds max) Rated Max 1/ Max pick-up voltage Contact Bounce Main Aux PIN MS25273- Coil Volts 1/ Freq Hz Res 10% Volts Amp Nor- mal 2/ High temp test Cont cur-rent test Drop out vol-tage 2/ Hold vol-tage 2/ Op-erate3/ Rel-ease 4/ NO NCNO NC D1 X1, X2 28 dc 175 29 0.20 18 19.5 22.5 1.5 7.0 20 2
10、0 2 2 N/A N/A A1 5/ 6/ X1, X2 115 400 N/A 122 0.07 90 95 103 5.0 30 25 50 2 2 N/A N/A A2 6/ X1, X2 115 50/60 N/A 122 0.10 90 95 103 5.0 30 25 50 2 2 N/A N/A 1/ CAUTION: Use of any coil voltage less than rated coil voltage will compromise the operation of the relay. 2/ Over the temperature range. 3/
11、With nominal coil voltage. 4/ From nominal coil voltage. 5/ MS25273-A1 may be used on 60 Hz if maximum ambient temperature is limited to +85C (maximum coil current shall be 0.0777 ampere). 6/ Inactive for new design. TABLE III. Rated contact load (amperes per pole) (case grounded). 28 V dc 115 V ac,
12、 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 HzSee 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.
13、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 for 3-phase applications. 2/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating
14、indicated. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25273H w/AMENDMENT 2 4 Environmental characteristics. Temperature range -70C to +125C Max altitude rating 80,000 ft Shock G-level 50 gs Duration 11 ms Max duration contact opening 10 s Vibr
15、ation - sinusoidal (see chart below) G-level 10 gs Frequency range 5-1,500 Hz Acceleration 15 gs Electrical characteristics. Insulation resistance, initial 100 megohms. After life or environmental tests 50 megohms. Dielectric strength (sea level). Initial After life testsCoil to case 1,000 V rms 1,0
16、00 V rms Aux contacts 1,500 V rms 1,125 V rms All other points Dielectric strength (altitude). 80,000 ftCoil 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 40 amperes dc, 60 amperes ac. Rupture current 50 am
17、peres dc. 80 amperes ac. Duty rating Continuous. RFI specification MIL-STD-461 (Applicable to coil circuits of ac operated relays). Conformance inspection. Group B and group C testing are not required. The manufacturer shall notify the qualifying activity in the event of any design or construction c
18、hanges, and shall impose additional testing requirements as necessary. Qualification by similarity: See MIL-PRF-6106. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25273H w/AMENDMENT 2 5 Referenced documents. In addition to MIL-PRF-6106, this doc
19、ument references the following: MIL-STD-461 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 inaccu
20、racies 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. Custodians: Preparing activity: Navy - AS DLA - CC Air Force - 11 DLA - CC (P
21、roject 5945-1319) 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-,-,-
