1、 AMSC N/A FSC 5945 INCH-POUND MS24140M w/AMENDMENT 1 22 October 2004 SUPERSEDING MS24140M 15 April 2003 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 50 AMPERES, 1 PST (N.O.), TYPE I, HERMETICALLY SEALED This specification is approved for use by all Departments and Agencies of the Department o
2、f 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 ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24140M w/AMENDME
3、NT 1 2 Inches mm Inches mm .010 0.25 .625 15.86 .031 0.79 .750 19.05 .063 1.60 1.000 25.40 .068 1.73 1.094 27.79 .073 1.85 1.250 31.75 .138 3.51 1.260 32.00 .190 4.83 1.443 36.65 .218 5.54 1.562 39.67 .219 6.96 1.572 39.93 .240 6.10 2.188 55.58 .266 6.76 2.267 57.68 .281 7.14 2.697 68.50 .297 7.54 2
4、.732 69.39 .312 7.92 2.867 72.82 .328 8.33 3.667 93.14 .438 11.13 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .031. 4. This specification sheet takes precedence over documents referenced herein. 5. Refe
5、renced Government documents of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation form a part of this specification to the extent specified herein. 6. Coil and auxiliary terminals may use additional flat washer for
6、 terminal seat. 7. Cadmium or cadmium compounds are prohibited on external hardware. A transition period to non-cadmium hardware is authorized for up to 1 year from the date of this revision. 8. Spring washer on drawing is a spring lock washer. FIGURE 1. Dimensions and configurations - Continued. Pr
7、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24140M w/AMENDMENT 1 3 REQUIREMENTS: Dimensions and configuration: See figure 1. Dash numbers and general characteristics: See table I. Contact data: Load ratings: See table II. Maximum contact drop: In
8、itial: 0.150 volt. After life test: 0.175 volt. Overload current (NO): 400 amperes. Rupture current (NO): 500 amperes. Coil data: See table III. Duty rating: Continuous. RFI specification: MIL-STD-461 (applicable to coil circuits of ac-operated relays). Electrical data: Minimum insulation resistance
9、: 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. Maximum altitude rating: 80,000 feet. Shock G-le
10、vel: 25 gs. Duration: 6-9 ms. Maximum duration contact opening; 2 ms. Vibration (sinusoidal): See table VI. Acceleration: 15 gs. Qualification by similarity: See MIL-PRF-6106. Part or Identifying Number (PIN): MS24140 - (plus dash number from table I). Provided by IHSNot for ResaleNo reproduction or
11、 networking permitted without license from IHS-,-,-MS24140M w/AMENDMENT 1 4 TABLE I. Dash numbers and general characteristics. 1/ PIN MS24140- Type Coil Terminal type Mounting or mating socket Auxiliary contacts Maximum weight in pounds 2/ D1 I dc Stud Flange None .95 D2 Yes 1.10 1/ Dash numbers A1
12、and A2 have been cancelled without replacement. 2/ Weights include covers and barriers. 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
13、 60 Hz 400 Hz 60 Hz 400 Hz 60 HzResistive 50 50 5 5 50 5 Inductive 10 50 5 5 50 5 Motor 50 50 50 Lamp 30 4/ 25 4/ .75 .75 10 2/ .75 Transfer load 3/ Mechanical life reduced current 100 12.5 1.25 1.25 1.25 1.25 Mixed loads 50 5 Per spec 5 1/ Absence of value indicates relay is not rated for 3 phase a
14、pplication. 2/ Test requirement: 100 amperes AC inrush current with 2 seconds off-time. 3/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated. 4/ MS24140-D1 is rated for 50,000 cycles at 100 amperes DC inrush current and 10 amperes DC
15、current steady state. TABLE III. Operating characteristics. Coil data Time - milliseconds max Rated Max Max pick-up voltageBounce Main Aux PIN MS 24140- Coil Volts 1/ Freq Hz Res +15% -10 Volts Amp Nor-mal 2/ High temp test Cont cur- rent test Holdvol- tage 2/ Dropout vol- tage 2/ Oper-ate 3/ Rel- e
16、ase 4/ NO NC NO NC D1 X1,X2 28 dc 78 29 .50 18 21 22.5 7 1.5 20 10 2 - - - D2 X1,X2 28 dc 78 29 .50 18 21 22.5 7 1.5 20 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 voltage. 4
17、/ From rated coil voltage. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24140M w/AMENDMENT 1 5 TABLE IV. Dielectric strength (sea level). Initial After life tests 28 V dc 115 V ac 28 V dc 115 V ac Coil to case 1,250 V rms 1,500 1,000 V rms 1,125
18、 Aux contacts 1,250 V rms 1,500 1,000 V rms 1,125 All other points 1,250 V rms 1,500 1,000 V rms 1,125 TABLE V. Dielectric strength (altitude). 28 V dc 115 V ac Coil to case 500 V rms 500 Aux contacts 500 V rms 500 All other points 500 V rms 500 TABLE VI. Vibration levels (sinusoidal). PIN MS24140-
19、5-10 Hz 10-55 Hz 55-250 Hz 250-500 Hz 500-1,500 Hz D1 .08 DA .06 DA 10 gs 10 gs 4 gs D2 .08 DA .06 DA 10 gs 6 gs 4 gs Referenced documents. In addition to MIL-PRF-6106, this document references the following: MIL-STD-461 The margins of this specification are marked with vertical lines to indicate mo
20、difications 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 this document based on the entire content irrespective of the
21、 marginal notations. Custodians: Preparing activity: Navy - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1279) 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 www.dodssp.daps.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
