1、AMSC N/A 1 of 5 FSC 5945 DISTRIBUTION STATEMENT A. Approved for public release, distribution is unlimited. INCH-POUND MS24142N 15 April 2003 SUPERSEDING MS24142M 30 August 1993 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 200 AMPERES, 1 PST (N.O.), TYPE I, HERMETICALLY SEALED This specificati
2、on 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. Provided by IHSNot for ResaleNo reproducti
3、on or networking permitted without license from IHS-,-,-MS24142N 2 Inches mm Inches mm Inches mm .010 0.25 .328 8.33 1.844 46.84 .031 0.79 .375 9.53 1.875 47.63 .063 1.60 .453 11.51 2.063 52.40 .095 2.41 .625 15.88 2.847 72.31 .138 3.51 .750 19.05 3.000 76.20 .240 6.10 .688 17.48 3.347 85.01 .250 6.
4、35 .969 24.61 3.672 93.27 .266 6.76 1.172 29.77 3.732 94.79 .312 7.92 1.438 36.53 4.692 119.18 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 documen
5、ts referenced herein. 5. 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 form a part of this specification to the extent specified herein. 6. Coil and auxiliary terminals may u
6、se additional flat washer for 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 c
7、onfigurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24142N 3 REQUIREMENTS: Dimensions and configurations: See figure 1. Environmental characteristics: Temperature range 1/: -70 to +125C. Maximum altitude rating: 80,000 ft. Sh
8、ock G-level: 25 gs. Duration: 6-9 ms. Max duration contact opening: 2 ms. Vibration - sinusoidal: See table I. Vibration - random: Not applicable. High shock: Not applicable. Acceleration: 15 gs. Electrical characteristics (see tables II, III, and IV): Insulation resistance, initial: 100 megohms. Af
9、ter life or environmental tests: 50 megohms. Dielectric strength (sea level): 2-5 seconds. 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 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
10、 Dielectric strength (altitude): 1 minute. 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 Max contact drop initial: .150 volt. After life test: .175 volt. Overload current (NO): 1,600 amperes. Rupture current (NO): 2,000 amperes. Duty rating: Co
11、ntinuous. RFI specification: MIL-STD-461. (Applicable to coil circuits of ac operated relays). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24142N 4 TABLE I. Vibration levels. Dash number 5-10 Hz 10-55 Hz 55-250 Hz 250-500 Hz 500-1,500 Hz D1 5 g
12、s 4 gs D2 .08 DA .06 DA 10 gs 3 gs 3 gs TABLE II. Operating characteristics. Coil data Time - milliseconds max 2/ Rated Max Max pick-up voltage Bounce 4/ Main Aux PIN MS 24141- Coil Volts 1/ Freq Hz Res +15% -10 Volts Amp Nor- mal 2/ High temptest Cont cur-rent test Hold vol-tage 2/ Drop out vol-tag
13、e 2/ Oper-ate 3/ Rel-ease 4/ NO NC NO NC D1 X1,X2 28 dc 52 29 0.6 18 21 22.5 7.0 1.5 40 15 2 - - - D2 X1,X2 28 dc 52 29 0.6 18 21 22.5 7.0 1.5 40 15 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/
14、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 x 103NO NC NO NC 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz R
15、esistive 50 200 5 5 200 5 Inductive 10 100 5 5 Motor 50 100 150 Lamp 2/ 50 .75 .75 .75 Transfer load 3/ Mechanical life reduced current 100 50 1.25 1.25 50 1.25 Mixed loads 50 20 Applicable per spec 20 1/ Absence of value indicates relay is not rated for 3-phase application. 2/ The total “On” time s
16、hall be 2 seconds 0.05 second and the “Off” time shall be 7 seconds 2.0 seconds for a simulated lamp load. 3/ Transfer load indicates relay is suitable for transfer between unsynchronized ac power supplies at rating indicated. Part or Identifying Number (PIN): MS24142 (plus dash number from table IV
17、). General characteristics: See table IV. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24142N 5 TABLE IV. Dash numbers and general characteristics. 1/ Part number MS24141- Type Coil type Terminal type Mounting or mating socket Auxiliary contacts
18、 Maximum weight in pounds 2/ D1 I dc None 2.3 D2 dc Stud Flange Yes 2.5 1/ A1 and A2 have been canceled without replacement. 2/ Weights include covers and barriers. If the relays produced for MS24142 are similar in construction and design except for the power rating to the relays produced for MS2414
19、0 and MS24141, then reduced testing for qualification of MS24142 relays may be performed concurrent with or subsequent to successful qualification of MS24140 or MS241241. Qualification by similarity: See MIL-PRF-6106. Custodians: Preparing activity:NAVY - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1206-03) Review activities: Air Force - 99 Navy - EC Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
