1、AMSC N/A FSC 5945 INCH-POUND MS25270L 26 June 2012 SUPERSEDING MS25270K 27 November 2003 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 5 AMPERES, 6 PDT, TYPE I, POTTED LEAD, HERMETICALLY SEALED INACTIVE FOR NEW DESIGN AFTER 5 JUN 1987. NO SUPERSEDING SPECIFICATION. This specification is approv
2、ed 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 Resale-,-,-MS25270L 2 NOTES: 1/
3、 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 legible circuit diagram that permanently and posi
4、tively identifies each terminal location specified hereon. 5/ The use of diodes on ac relays is optional. Actual application must be shown on label. 6/ In the event of conflict between the text of this specification and the references cited herein, the text of this specification shall take precedenc
5、e. FIGURE 1. Dimensions and configurations Continued. TABLE I. Dash numbers and characteristics. Dash number MS25270- Type Coil Terminal type Mounting or mating socket Max weight in pounds D1 I dc Lead Stud .67A1 I ac Lead Stud .67 Inches mm .005 0.13 .062 1.57.125 3.18 .152 3.86.235 5.97 .375 9.53.
6、025 15.88 1.100 27.941.187 30.15 1.531 38.892.187 55.55 24.00 609.60Provided by IHSNot for Resale-,-,-MS25270L 3 TABLE II. Operating characteristics. PIN MS25270- Coil data Time - milliseconds max Coil Rated Max 1/ Max pick-up voltage Hold vol-tage 2/ Drop out vol-tage 2/ Op-erate 3/ Rel-ease 4/ Con
7、tact Bounce Volts 1/ Freq Hz Res Volts Amp Nor- mal 2/ High temptest Cont cur-rent test Main Aux NO NC NO NC D1 X1, X2 28 dc N/A 29 0.18 18 19.8 22.5 7.0 1.5 20 20 2 2 N/A N/A A1 X1, X2 115 400 5/ N/A 122 0.04 90 95 103 30 5.0 25 50 2 2 N/A N/A 1/ CAUTION: Use of any coil voltage less than rated coi
8、l voltage will compromise the operation of the relay. 2/ Over the temperature range. 3/ With nominal coil voltage. 4/ From nominal coil voltage. 5/ MS25270-A1 may be used on 60 Hz if maximum ambient temperature is +85C (maximum coil current shall be 0.044 ampere). TABLE III. Rated contact load (ampe
9、res per pole) (case grounded). Type of load Life operating cycles x 10328 V dc 115 V ac, 1 phase 115/200 V ac, 3 phase 1/ See appropriate notes Main Aux Main Aux Main Aux NO NC NO NC 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz Resistive 100 5 5 5 4 Inductive 100 Inductive 20 3 3 3 2 Motor 10
10、0 1.5 1.5 1.5 1 Lamp 100 0.8 0.8 0.8 0.6 Transfer load 2/ Mechanical life reduced current 400 1.25 1.25 1.25 1 Mixed loads Applicable per specification 1/ Absence of value indicates relay is not rated for 3-phase application. 2/ Transfer load indicates relay is suitable for transfer between unsynchr
11、onized ac power supplies at rating indicated. Environmental characteristics. Temperature range -70C to +125C Max altitude rating 80,000 ft Shock G-level 25 gs Duration 11 ms Max duration contact opening 10 s Vibration - sinusoidal (see chart below) G-level 10 gs Frequency range 5-1,500 Hz Provided b
12、y IHSNot for ResaleNo reproduction or networking permitted without license from IHSMS25270L 4 Vibration - random Applicable spec N/A Power spectral density N/A RMS G min N/A Frequency range N/A Curve N/A High shock N/A Acceleration 15 gs Electrical characteristics. Minimum insulation resistance, ini
13、tial 100 megohms. After life or environmental tests 50 megohms. Dielectric strength (sea level). Initial After life tests Coil to case 1,050 V rms 1,000 V rms Aux contacts All other points 1,050 V rms 1,000 V rms Dielectric strength (altitude). 80,000 ft Coil to case 1,000 V rms Aux contacts All oth
14、er points 1,000 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 MIL-STD-461 (Applicable to coil circuits of ac operated relays). Conformance inspection. Performance of groups B a
15、nd C tests are not applicable. Group A acceptance reports shall be submitted to the preparing activity on a yearly basis in order to retain qualification for this military standard sheet. Qualification by similarity: See MIL-PRF-6106. Provided by IHSNot for Resale-,-,-MS25270L 5 NOTES Changes from p
16、revious 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. Bidders and contractors are cau
17、tioned 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. In addition to MIL-PRF-6106, this document references the following: MIL-DTL-8777 MIL-PRF-23586 SAE-AS22759/5 SAE
18、AS22759/11 MIL-STD-461 Custodians: Preparing activity: Navy - AS DLA - CC Air Force - 85 DLA - CC (Project 5945-2012-009) 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 the ASSIST Online database at https:/assist.dla.mil/. Provided by IHSNot for Resale-,-,-
