1、 MS24376P w/AMENDMENT 3 27 April 2006 SUPERSEDING MS24376P w/AMENDMENT 2 8 February 2006 DETAIL SPECIFICATION SHEET RELAYS, ELECTROMAGNETIC, 50 AMPERES, 3PST (NO), TYPE I, HERMETICALLY SEALED This specification is approved for use by all Departments and Agencies of the Department of Defense. The req
2、uirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-6106. FIGURE 1. Dimensions and configurations. AMSC N/A FSC 5945 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24376P w/AMENDMEN
3、T 3 2 Inches mm Inches mm .010 0.25 1.000 25.40 .031 0.79 1.500 38.10 .063 1.60 1.781 45.24 .138 3.51 1.906 48.41 .190 4.83 2.313 58.75 .218 5.54 2.687 68.25 .266 6.76 2.897 73.58 .313 7.95 3.250 82.55 .328 8.33 3.337 84.76 .438 11.13 3.732 94.79 .625 15.88 4.204 106.78 NOTES: 1. Dimensions are in i
4、nches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .031 (0.79 mm). 4. This specification sheet takes precedence over documents referenced herein. 5. Referenced documents shall be of the issue in effect on the date of invitation for bid. 6
5、. Coil and auxiliary terminals may use an additional flat washer for terminal seating. FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24376P w/AMENDMENT 3 3 REQUIREMENTS: Dimensions and configur
6、ations: See figure 1. ENVIRONMENTAL CHARACTERISTICS: Temperature range: -70C to +125C for dc operated relays; -70C to +71C for ac operated relays. Maximum altitude rating: 80,000 feet. Shock g-level: 25 gs. Duration: 6 ms to 9 ms. Maximum duration contact opening: 2 ms. Vibration, sinusoidal: See ta
7、ble I. Vibration, random: Not applicable. High shock: Not applicable. Acceleration: 15 gs. ELECTRICAL CHARACTERISTICS (see table II, table III, and table IV): Insulation resistance, initial: 100 megohms. After life or environmental tests: 50 megohms. Dielectric strength (sea level): 2 seconds to 5 s
8、econds. Initial 1/ After life tests 1/ 28 V dc 115 V ac 28 V dc 115 V ac Coil to case Aux contacts All other points 1,250 V rms 1,250 V rms 1,250 V rms 1,500 1,500 1,800 1,000 V rms 1,000 V rms 1,000 V rms 1,125 1,125 1,350 Dielectric strength (altitude) (80,000 feet): 1 minute. 2/ 28 V dc 1/ 115 V
9、ac 1/ Coil to case Aux contacts All other points 500 V rms 500 V rms 700 V rms 500 500 500 _ 1/ For A1, A2, A3, and A4, coil terminals X1 and X2 must be shorted together for all dielectric testing between coil to case, coil to main or auxiliary contacts, and coil to all other points. 2/ Use MS27243-
10、1 terminal cover during dielectric testing at altitude. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24376P w/AMENDMENT 3 4 TABLE I. Vibration levels. Dash number 5 Hz to 10 Hz 10 Hz to 55 Hz 55 Hz to 250 Hz 250 Hz to 500 Hz 500 Hz to 1,500 Hz D
11、1 .08 DA .06 DA 10 gs 6 gs 4 gs D2 .08 DA .06 DA 10 gs 4 gs 3 gs A1 .08 DA .06 DA 10 gs 6 gs 4 gs A2, A3, A4 .08 DA .06 DA 10 gs 4 gs 3 gs Maximum contact drop initial: .150 volt. After life test: .175 volt. Overload current (NO): 400 amperes. 3/ Rupture current (NO): 500 amperes. 3/ Duty rating: Co
12、ntinuous. RFI specification: MIL-STD-461. (Applicable to coil circuits of ac operated relays.) Part or Identifying Number (PIN): MS24376 (plus dash number from table IV). General characteristics: See table IV. Qualification by similarity: See MIL-PRF-6106. _ 3/ Rupture and overload current (NO): 100
13、 amperes for A3 and A4. For A1, A2, D1, and D2: 60 amperes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24376P w/AMENDMENT 35 TABLE II. Operating characteristics. Coil data Time-milliseconds max Rated Max Max pick-up voltage Contact bounce Main
14、 Aux Dash number MS24376- Coil Volts 1/ Frequency Hz Res. +15% -10 Volts Ampere Nor- mal 2/ High temp test Cont current test Hold volt- age 2/ 3/ Drop out volt- age 2/ 3/ Oper- ate 4/ Re- lease 5/ NO NC NO NC D1 X1, X2 28 dc 52 29 0.6 18 21 22.5 7 1.5 25 10 2 - - - D2 X1, X2 28 dc 52 29 0.6 18 21 22
15、.5 7 1.5 25 10 2 - 4 4 A1 X1, X2 115 7/ 400/60 - 124 .225 90 100 104 40 10 30 65 2 - - - A2 X1, X2 115 7/ 400/60 - 124 .225 90 100 104 40 10 30 65 2 - 4 4 A3 X1, X2 115 7/ 400/50/60 - 124 .225 90 100 104 40 10 30 65 5 - - - A4 X1, X2 115 7/ 400/50/60 - 124 .225 90 100 104 40 10 30 65 5 - 6 6 1/ CAUT
16、ION: The use of any coil voltage less than rated coil voltage will compromise the operation of the relay. 2/ Over the temperature range. 3/ At 50/60 Hz, chattering may occur at or near dropout voltage when voltage is slowly decreased. 4/ With rated coil voltage. 5/ From rated coil voltage. 6/ Durati
17、on of auxiliary contact bounce is the maximum cumulative open time of the auxiliary contacts. 7/ Coils will operate on 50 Hz, 60 Hz, and 400 Hz, except that relay ambient temperature must be derated to +71C maximum. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
18、 from IHS-,-,-MS24376P w/AMENDMENT 36 TABLE III. Rated contact load (amperes per pole) case grounded. 28 V dc 115 V ac, 1-phase 115/200 V ac, 3-phase Main Aux Main Aux Main Aux Type of load Life operating cycles x 103 NO NC NO NC 400 Hz 50/60 Hz 400 Hz 50/60 Hz 400 Hz 50/60 Hz 400 Hz 50/60 Hz Resist
19、ive 50 50 - 5 5 50 25 5 2 50 2/ 20 - - Inductive 10 50 - 5 5 50 - 5 - 50 2/ 15 - - Motor 50 50 - - - 50 20 - - 50 3/ 15 - - Lamp 50 - - .75 .75 - - .75 .75 - - - - 4/ Transfer load - - - - - - - - - - - - Mechanical life (reduced current) 100 12.5 - 1.25 1.25 12.5 10 1.25 1.25 12.5 10 - - Mixed load
20、s 50 5 - Applicable in accordance with MIL-PRF-6106 5 5 - - 5 5 - - 1/ Absence of value indicates relay is not rated for 3-phase application. 2/ 25 amperes for A3. 33 amperes for A4. 3/ 20 amperes for A3 and A4. 4/ Transfer load indicates that the relay is suitable for transfer between unsynchronize
21、d ac power supplies at the rating indicated. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS24376P w/AMENDMENT 3 7 TABLE IV. Dash numbers and general characteristics. PIN MS24376- Type Coil type Terminal type Mounting or mating socket Auxiliary co
22、ntacts Maximum weight (pounds) 1/ D1 D2 A1 A2 A3 A4 I I I I I I dc dc ac ac ac ac Stud Stud Stud Stud Stud Stud Flange Flange Flange Flange Flange Flange None Yes None Yes None Yes 1.6 1.7 1.7 1.9 1.8 2.0 1/ Weights include covers and barriers. NOTES: Referenced documents. In addition to MIL-PRF-610
23、6, this document references the following: NASM961 MS27243 NASM35338 NASM35649 NASM35650 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
24、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 marginal notations and relationship to the last previous issue. Custodians: Preparin
25、g activity: Air Force - 11 DLA - CC Navy - AS DLA - CC (Project 5945-2006-020) 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 the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
