1、AMSC N/A 1 of 5 FSC 5945 INCH-POUND MS25268K 27 November 2003 SUPERSEDING MS25268J 20 Jan 1989 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 5 AMPERES, 4 PDT, TYPE I, POTTED LEAD, HERMETICALLY SEALED INACTIVE FOR NEW DESIGN AFTER 5 JUNE 1987. NO SUPERSEDING SPECIFICATION. FOR NEW DESIGN USEMIL
2、-PRF-83536/5 OR MIL-PRF-83536/6. 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 configura
3、tions. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25268K 2 Inches mm Inches mm .005 0.13 .625 15.88 .010 0.25 .687 17.45 .062 1.57 .718 18.24 .125 3.18 1.130 28.70 .152 3.86 1.187 30.15 .343 8.71 1.531 38.89 .375 9.53 2.187 55.55 .593 15.06 24
4、.000 609.60 .594 15.09 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .005 (0.13 mm). 4. The use of diodes on ac relays in optional. Actual application must be shown on label. 5. In the event of conflict b
5、etween 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 Defense Index of Specifications and Standards (DoDISS) specified in the solicitation
6、form a part of this standard to the extent specified herein. FIGURE 1. Dimensions and configurations - Continued. TABLE I. Dash numbers and characteristics. Dash number MS25268- Type Coil Terminal type Mounting Max weight in pounds D1 I dc Wire lead Stud .57 A1 I ac Wire lead Stud .57 Provided by IH
7、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25268K 3 TABLE II. Operating characteristics. Coil data Time - milliseconds max Rated Max 1/ Max pick-up voltage Contact Bounce Main Aux PIN MS25268- Coil Volts 1/ Freq Hz Res Volts Amp Nor- mal 2/ High temp test C
8、ont cur-rent test Hold vol-tage 2/ Drop out vol-tage 2/ Op-erate 3/ Rel-ease 4/ NO NC NO NC D1 X1, X2 28 dc N/A 29 0.15 18 19.8 22.5 7.0 1.5 20 20 2 2 N/A N/A A1 X1, X2 115 400 N/A 122 0.05 90 95 103 30 5.0 25 50 2 2 N/A N/A 1/ CAUTION: Use of any coil voltage less than rated coil voltage will compr
9、omise the operation of the relay. 2/ Over the temperature range. 3/ With rated coil voltage. 4/ From rated coil voltage. 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
10、x 103NO NC NO NC 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz See appropriate notes Resistive 100 5 5 5 4 Inductive 100 Inductive 20 3 3 3 2 Motor 100 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 specif
11、ication 1/ Absence of value indicates relay is not rated for 3-phase application. 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
12、 G-level 50 gs Duration 11 ms Max duration contact opening 10s Vibration - sinusoidal (see chart below) G-level 10 gs Frequency range 5 - 1,500 Hz Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS25268K 4 Vibration - random Applicable spec N/A Power
13、 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, initial 100 megohms. After life or environmental tests 50 megohms. Dielectric strength (sea level). Initial After life tests Coil to case 1,0
14、50 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 other 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 amp
15、eres. Duty rating Continuous. RFI specification MIL-STD-461 (Applicable to coil circuits of ac operated relays). Group A acceptance reports shall be submitted to the qualifying activity on a yearly basis in order to retain qualification for this specification. Group B and group C testing are not req
16、uired. The manufacturer shall notify the qualifying activity in the event of any design or construction changes, 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
17、license from IHS-,-,-MS25268K 5 NOTES Referenced documents. In addition to MIL-PRF-6106, this specification sheet references the following documents. (Government documents are available on line at http:/assist.daps.dla.mil/quicksearch or www.dodssp.daps.mil or from the Standardization Document Order
18、 Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094). SPECIFICATIONS Department of Defense MIL-PRF-23586 - Sealing Compound (with Accelerator), Silicone Rubber, Electrical STANDARDS Department of Defense MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Chara
19、cteristics of Subsystems and Equipment Custodians: Preparing activity:Navy - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1214-05) Review activities: Air Force - 99 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 www.dodssp.daps.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
