1、 AMSC N/A FSC 5945 INCH-POUND MS24172J w/AMENDMENT 1 15 October 2004 SUPERSEDING MS24172J 15 April 2003 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 200 AMPERES, 1 PST (N.O.), TYPE III, NONHERMETICALLY SEALED This specification is approved for use by all Departments and Agencies of the Depart
2、ment of Defense. The requirements for acquiring the relay described herein shall consist of this specification and the latest issue of MIL-PRF-6106. CONFIGURATION A FIGURE I. Outline drawing (for details see tables I and II). Provided by IHSNot for ResaleNo reproduction or networking permitted witho
3、ut license from IHS-,-,-MS24172J w/AMENDMENT 1 2 CONFIGURATION B Inches mm Inches mm Inches mm Inches mm .010 0.25 .375 9.52 .906 23.01 3.000 76.20 .062 1.57 .438 11.13 .938 23.83 3.313 84.15 .125 3.18 .484 12.30 1.000 25.40 3.500 88.90 .138 3.51 .500 12.70 1.531 38.89 3.750 95.26 .142 3.61 .750 19.
4、06 2.000 50.80 4.500 114.30 .210 5.33 .813 20.66 2.406 61.11 .266 6.76 .875 22.22 2.960 75.18 NOTES: 1. Dimensions are in inches. 2. Terminal cover not required. 3. Additional flat washer may be used for terminal seat. 4. Part number MS24172-D1 replaces part no. MS24172-1. 5. This specification shee
5、t takes precedence over documents referenced herein. 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 form a part of this specification to the extent specified herein. 7. Met
6、ric equivalents are given for general information only. 8. Unless otherwise specified, tolerances are .062 (1.57 mm). 9. Terminal temperature rise under continuous current conditions, 95C. Intermediate current to be conducted at 71C. 10. Shape of relay optional within envelope dimensions. 11. Cadmiu
7、m or cadmium compounds are prohibited on external hardware. 12. Bolt heads for terminals may extend below their mounting surface. FIGURE I. Outline drawing (for details see tables I and II) - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
8、MS24172J w/AMENDMENT 1 3 TABLE I. Dash numbers and characteristics. Dash number MS24172- Type Coil Terminal type Mounting or mating socket Max weight in pounds D1 1/ III dc Stud Bracket - bottom 1.33 D2 2/ III dc Stud Bracket - side 1.33 1/ For Government logistics support MS24172-D1 shall be used
9、in lieu of AN3371-2. 2/ For Government logistics support MS24172-D2 shall be used in lieu of AN3371-1. TABLE II. Operating characteristics. Coil data Time - (milliseconds maximum) Nominal Max Max pick-up voltage Bounce Main Aux PIN MS 24172- Coil Volts 1/ Freq Hz Res +15% -10 Volts AmpNor- mal 2/ Hi
10、ghtemp.test Contcur- rent test Holdvol- tage 2/ Dropout vol- tage 2/ Oper-ate 3/ Rel- ease 4/ NO NC NO NC D1 X1,X2 28 dc 10 29 4.5 7.5 11.5 - 3.0 .5 25 18 5.0 - - - D2 X1,X2 28 dc 10 29 4.5 7.5 11.5 - 3.0 .5 25 18 5.0 - - - 1/ CAUTION: Use of any coil voltage less than nominal coil voltage will comp
11、romise the operation of the relay. 2/ Over the temperature range. 3/ With nominal coil voltage. 4/ From nominal 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 cycl
12、es x 103NO NC NO NC 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 Hz 400 Hz 60 HzResistive 50 200 Inductive 10 100Motor 50 200 Lamp Transfer load 2/ Mechanical life reduced current 100 50 Mixed loads 1/ Absence of value indicates relay is not rated for 3-phase application. 2/ Transfer load indicates relay is
13、suitable for transfer between unsynchronized ac power supplies at rating indicated. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24172J w/AMENDMENT 1 4 Environmental characteristics: Temperature range -55C to +71C Maximum altitude rating 50,000
14、ft Shock G-level 25 gs Duration 6-9 ms Max duration contact opening 2 ms Vibration - sinusoidal (see table IV) Vibration - Random N/A High shock N/A Acceleration 10 gs TABLE IV. Vibration levels. 5-10 Hz 10-55 Hz 55-250 Hz 250-500 Hz 500-1,500 Hz .08 DA .06 DA 2 gs 2 gs Electrical characteristics: I
15、nsulation resistance, initial: 100 megohms. After 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 N/A 1,000 V rms N/A Aux contacts 1,250 V rms N/A 1,000 V rms N/A All other poin
16、ts 1,250 V rms N/A 1,000 V rms N/A Dielectric strength (altitude): 1 minute. 28 V dc 115 V ac Coil to case 500 V rms N/A Aux contacts 500 V rms N/A All other points 700 V rms N/A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24172J w/AMENDMENT 1
17、5 Max contact drop initial: 0.150 volt. After life test: 0.175 volt. Overload current (NO) 1,600 amperes. Rupture current (NO) 2,000 amperes. Duty rating Intermittent RFI spec MIL-STD-461 (Applicable to coil circuits of ac operated relays) Qualification by similarity: See MIL-PRF-6106. Referenced do
18、cuments. 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 modifications generated by this amendment. This was done as a convenience only and the Government assumes no liability whatsoever for
19、 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 marginal notations. Custodian: Preparing Activity Navy - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1271) Review activity:
20、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-,-,-
