1、INCH-POUND MS24168T w/AMENDMENT 1 25 February 2005 SUPERSEDING MS24168T 15 April 2003 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 100 AMPERES, 3 PST (N.O.), TYPE I, HERMETICALLY SEALED This specification is approved for use by all Departments and Agencies of the Department of Defense. The re
2、quirements for acquiring the relay described herein shall consist of this specification and the latest issue of MIL-PRF-6106. AMSC N/A FSC 5945 FIGURE 1. Dimensions and configurations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24168T w/AMENDM
3、ENT 1 2 Inches mm Inches mm Inches mm .010 0.25 .328 8.33 3.387 86.03 .031 0.79 .625 15.88 3.500 88.90 .063 1.60 .688 17.48 3.687 93.65 .095 2.41 1.190 30.23 4.062 103.48 .138 3.51 1.560 39.62 4.282 108.76 .218 5.54 1.718 43.64 4.312 109.52 .250 6.35 1.750 44.45 5.272 133.91 .266 6.76 2.156 54.76 .2
4、97 7.54 2.312 58.72 .312 7.92 3.000 76.20 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 an additional flat washer for terminal seat. 5. Break all sh
5、arp edges and remove all burrs. 6. In the event of a conflict between the text of this specification and the references cited herein, this specification shall take precedence. 7. Referenced Government documents of the issue listed in that issue of the Department of Defense Index of Specifications an
6、d Standards (DODISS) specified in the solicitation form a part of this document to the extent specified herein. 8. There shall be affixed to the relay a legible circuit diagram that permanently and positively identifies each terminal location specified. 9. Cadmium or cadmium compounds are prohibited
7、 on external hardware. A transition period to non-cadmium hardware is authorized for up to 1 year from the date of this revision. 10. Spring washer on drawing is a spring lock washer. FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking perm
8、itted without license from IHS-,-,-MS24168T w/AMENDMENT 1 3 REQUIREMENTS: Dimensions and configurations: See figure 1. Part or Identifying Numbers (PINs) and general characteristics: See table I. Contact data: Load ratings: See table II. Maximum contact drop, initial: 0.150 V. After life test: 0.175
9、 V. Overload current (NO): 800 amperes. 1/ Rupture current (NO): 1,000 amperes. 1/ 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: Initial: 100 megohms. After life o
10、r environmental test: 50 megohms. Dielectric strength: 2/ 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 V rms 1,000 V rms 1,125 V rms Aux. contacts: 1,250 V rms 1,500 V rms 1,000 V rms 1,125 V rms All other points: 1,250 V rms 1,80
11、0 V rms 1,000 V rms 1,350 V rms Altitude, 1 minute: 3/ 28 V dc 115 V ac Coil to case: 500 V rms 500 V rms Aux. contacts: 500 V rms 500 V rms All other points: 700 V rms 700 V rms 1/ For 50/60 Hz, overload and rupture currents (NO) are 200 amperes. 2/ For A3 and A4, coil terminals X1 and X2 shall be
12、shorted together for all dielectric testing. 3/ Use terminal cover MS27243-4 during dielectric testing at altitude. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24168T w/AMENDMENT 1 4 Environmental characteristics: Temperature range: -70C to +12
13、5C. 1/ Maximum altitude rating: 80,000 feet. Shock, g-level: 25 gs. Duration: 6-9 ms. Maximum duration contact opening: 2 ms. Vibration, sinusoidal: See table IV. Vibration, random: Not applicable. High shock: Not applicable. Acceleration: 15 gs. PIN: MS24168- (plus applicable dash number from table
14、 I). Qualification by similarity: See MIL-PRF-6106. TABLE I. PINs and general characteristics. PIN MS24168- Type Coil type Auxiliary contacts Maximum weight (pounds) 1/ D1 I dc None 3.4 D2 I dc Yes 3.6 A3 I ac None 3.8 A4 I ac Yes 3.8 1/ Weight includes covers and barriers. 1/ Coils operated at eith
15、er 50, 60, or 400 Hz require ambient temperature not to exceed +71C. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24168T w/AMENDMENT 1 5 TABLE II. Rated contact load (amperes per pole) case grounded. 1/ 28 V dc 115 V ac, 1 phase 115/200 V ac, 3
16、phase 2/ Main Aux Main Aux Main Aux Type of load Life oper- ating cycles x 103NO NC NO NC 400 Hz 50/60 Hz 400 Hz 50/60 Hz 400 Hz 50/60 Hz 400 Hz 50/60 Hz Resistive 50 100 5 5 100 50 5 2 100 50 Inductive 10 100 5 5 50 Motor 50 100 100 20 100 40 Lamp 50 .75 .75 .75 .75 Transfer load 3/ Mechanical Life
17、 reduced current 100 25 1.25 1.25 25 12.5 1.25 1.25 25 12.5 Mixed loads 50 10 4/ 4/ 10 10 10 10 1/ Absence of value indicates that parameter is not applicable to this specification sheet. 2/ Absence of value indicates that relay is not rated for three phase applications. 3/ Transfer load indicates r
18、elay is suitable for transfer between unsynchronized ac power supplies at the rating indicated. 4/ In accordance with MIL-PRF-6106. TABLE III. Operating characteristics. Coil data Time (milliseconds Max) Rated Max Max pick-up voltage Contact bounce4/ Main Aux PIN MS24168- Coil Volts 1/ Freq. Hz Res
19、+15% -10% () Volts Coil cur-rentNor-mal2/ High temptest Cont cur- rent test Hold volt-Age 2/ 3/Drop-Out volt-age 2/ 3/Oper- ate 4/ Re- Lease 5/ NO NC NO NCD1 X1,X2 28 dc 55 29 0.6 18 21 22.5 7 1.5 60 25 2.5 n/a n/a n/aD2 X1,X2 28 dc 55 29 0.6 18 21 22.5 7 1.5 60 25 2.5 n/a 4.5 4.5A3 X1,X2 115 400/50
20、/60 6/ 120 0.25 90 100 104 40 10 65 80 5 n/a n/a n/aA4 X1,X2 115 400/50/60 6/ 120 0.25 90 100 104 40 10 65 115 5 n/a 7 7 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/ At 50 and 60 Hz, chattering may occu
21、r at or near dropout voltage when voltage is slowly decreased. 4/ With rated coil voltage. 5/ From rated coil voltage. 6/ Coils will operate at either 50, 60, or 400 Hz; however, ambient temperature must not exceed +71C. Provided by IHSNot for ResaleNo reproduction or networking permitted without li
22、cense from IHS-,-,-MS24168T w/AMENDMENT 1 6 TABLE IV. Vibration levels. Frequency PIN MS24168- 5-10 Hz 10-55 Hz 55-250 Hz 250-500 Hz 500-1,500 Hz D1 5 gs 3 gs D2 3 gs 3 gs A3 5 gs 3 gs A4 .08 DA .06 DA 8 gs 3 gs 3 gs Referenced documents. In addition to MIL-PRF-6106, this document references the fol
23、lowing: MS27243 MIL-STD-461 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these
24、notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Navy - AS DLA - CC Air Force - 11 DLA - CC (Project 5945-1305
25、) 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 http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
