1、AMSC N/A 1 of 6 FSC 5945 INCH-POUND MS27222M 27 November 2003 SUPERSEDING MS27222L 22 July 1992 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 50 AMPERES, 3 PST N. O. TYPE I, HERMETICALLY SEALED INACTIVE FOR NEW DESIGN AFTER 15 NOVEMBER 2002. NO SUPERSEDING SPECIFICATION. This specification is
2、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 configuration.Provided by IHSNot for ResaleNo reproduction or ne
3、tworking permitted without license from IHS-,-,-MS27222M 2 Inches mm Inches mm Inches mm .010 0.25 .218 5.54 .812 20.62 .031 0.79 .250 6.35 1.156 29.36 .047 1.19 .254 6.45 1.812 46.02 .063 1.60 .297 7.54 2.170 55.12 .079 2.01 .328 8.33 2.190 55.63 .138 3.51 .391 9.93 2.687 68.25 .140 3.56 .438 11.13
4、 3.250 82.55 .190 4.83 .625 15.88 3.337 84.76 .210 5.33 .656 16.66 3.734 94.84 .215 5.46 .750 19.05 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .031 (0.79 mm). 4. Coil and auxiliary terminals may use ad
5、ditional washer for terminal seat. 5. In the event of a 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 Defense Index of Sp
6、ecifications and Standards (DoDISS) specified in the solicitation forms a part of this standard to the extent specified herein. 7. Terminal strength: High temperature pull and torque test not applicable. 8. When semiconductors are required, JANTX or equivalent screened semiconductors shall be used.
7、Relays using suppression devices shall continue to operate should the suppression circuit be in a failure mode. Diodes shall have a peak inverse voltage of 600 V dc minimum. 9. For detail information, see tables I through V. FIGURE 1. Dimensions and configurations Continued. Provided by IHSNot for R
8、esaleNo reproduction or networking permitted without license from IHS-,-,-MS27222M 3 REQUIREMENTS: Dimensions, configuration, and circuit diagrams: See figure 1. Dash numbers and general characteristics: See table I. Contact data: Load ratings: See table II. Maximum contact drop: Initial: 0.150 volt
9、s. After life test: 0.175 volts. Overload current (NO): 400 amperes. Rupture current (NO): 500 amperes (only 5 operations rupture after minimum current test). Coil data: See table III. Duty rating: Continuous. RFI specification: MIL-STD-461 (applicable to coil circuits of ac operated relays). Electr
10、ical data: Minimum insulation resistance: Initial: 100 megohms. After life or environmental test: 50 megohms. Dielectric strength (sea level): 2 - 5 seconds (see table IV). Dielectric strength (altitude): 1 minute (see table V). Environmental characteristics: Temperature range: -70C to +125C. Maximu
11、m altitude rating: 80,000 feet. Shock g level: 59 gs: Duration: 6 - 9 ms. Maximum duration contact opening: 2 ms. Vibration (sinusoidal): See table VI. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27222M 4 Non-operate: G level: 15 gs. Frequency
12、range curve: 20 to 2,000 Hz. Acceleration: 15 gs. Conformance inspection. Performance of groups B and C tests are not applicable Qualification by similarity: See MIL-PRF-6106. Part or Identifying Number (PIN): MS27222- (plus dash number from table I). TABLE I. Dash numbers and characteristics. Dash
13、number MS27222- Type Coil type Terminal type Mounting or mating socket Auxiliary terminals Max weight wt. lbs. 1/ 1 I dc Lug N/A None 1.30 2 I dc Lug N/A With 1.35 3 I ac Lug N/A None 1.30 4 I ac Lug N/A With 1.35 5 I ac Lug N/A None 1.30 6 I ac Lug N/A With 1.35 7 I dc Lug N/A With 1.30 1/ Weights
14、include terminal barriers and covers. TABLE II. 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 See appropriate
15、 notes Resistive 50 50 - 5 5 50 - 5 5 50 - - - Inductive 10 50 - 5 5 50 - 5 5 50 - - - Inductive Motor 50 50 - - - 50 - - - 50 - - - Lamp - - - 1 1 - - 1 1 - - - - Transfer load 2/ Mechanical life reduced current 100 12.5 - 1.25 1.25 12.5 - 1.25 1.25 12.5 - - - Mixed loads 50 Applicable in accordanc
16、e with MIL-PRF-6106 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
17、rom IHS-,-,-MS27222M 5 TABLE III. Operating characteristics. Coil data Time - (milliseconds maximum) Nominal Max Max pick-up voltage Contact Bounce Main AuxPIN MS 27222- Coil Volts 1/ Freq Hz Res 10% Volts Amp Nor- mal 2/ High temptest Cont cur-rent test Hold vol- tage 2/ Drop out volt- age 2/ Oper-
18、ate 3/ Rel-ease 4/ NO NC NO NC 1 X1,X2 28 dc 51 29 .6 18 21 22.5 7.0 1.5 25 10 2 - - - 2 X1,X2 28 dc 51 29 .6 18 21 22.5 7.0 1.5 25 10 2 - 4 4 3 X1,X2 115 60/ 400 N/A 124 .2 90 100 104 40 10 25 50 2 - - - 4 X1,X2 115 60/ 400 N/A 124 .2 90 100 104 40 10 25 50 2 - 4 4 5 X1,X2 115 400 N/A 124 .2 90 100
19、 104 40 10 25 50 2 - - - 6 X1,X2 115 400 N/A 124 .2 90 100 104 40 10 25 50 2 - 4 4 7 5/ X1,X2 28 dc 51 29 .6 18 21 22.5 7.0 1.5 25 10 2 - 4 4 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/ With rated coil
20、 voltage. 4/ From rated coil voltage. 5/ Coil suppression (transient voltage back EMF) 43 V dc maximum. Table IV. Dielectric strength (sea level). 28 V dc 115 V ac Dielectric strength Initial After life tests Initial After life tests Coil to case 1,250 1,000 1,500 1,125 Aux contacts 1,250 1,000 1,50
21、0 1,125 All other points 1,250 1,000 1,800 1,350 TABLE V. Dielectric strength (altitude). Dielectric strength 28 V dc 115 V ac Coil to case 500 500 Aux contacts 500 500 All other points 700 700 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27222M
22、 6 TABLE VI. Vibration level (sinusoidal). PIN MS27222- 5 - 10 Hz 10 - 55 Hz 55 - 750 Hz 750 - 1500 Hz 1, 3, and 5 .06 DA .06 DA 15 gs 12 gs 2, 4, and 6 .06 DA .06 DA 10 gs 10 gs NOTES Referenced documents. In addition to MIL-PRF-6106, this specification sheet references the following documents. (Go
23、vernment documents are available on line at http:/assist.daps.dla.mil/quicksearch or www.dodssp.daps.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094). SPECIFICATIONS Department of Defense MS27243J - Relay, 10 Amp, 4PDT, Sealed, Class
24、O STANDARDS Department of Defense MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment Custodians: Preparing activity:NAVY - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1214-19) Review activities: Air Force - 99 Navy - EC NOTE:
25、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-,-,-
