1、 INCH-POUND MIL-R-83726/8E 23 July 2013 SUPERSEDING MIL-R-83726/8D 7 July 2005 MILITARY SPECIFICATION SHEET RELAYS, HYBRID, TIME DELAY, (ON RELEASE), TYPE IIA, CLASS A, 2 AMPERES, 2PDT, FIXED TIME, 0.100 TO 300 SECONDS This specification is approved for use by all Departments and Agencies of the Dep
2、artment of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-83726. FIGURE 1. Outline dimensions and configuration of relay. AMSC N/A FSC 5945 Inactive for new design after 22 July 1992. For new design use MIL-PRF-83726/29. Inc
3、hes mm Inches mm .002 0.05 .50 12.70 .005 0.13 .594 15.09 .010 0.25 .69 17.53 .030 0.76 1.00 25.40 .040 1.02 1.047 26.59 .0598 1.52 1.188 30.18 .159 4.04 1.59 40.39 .25 6.35 1.75 44.45 .310 7.87 2.093 53.16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
4、-,-,-MIL-R-83726/8E 2 NOTES: 1. Dimensions are in inches. 2. Unless otherwise specified, tolerance is .010 (0.25 mm) for three place decimals and .03 3. (0.8 mm) for two place decimals. 4. Metric equivalents are given for general information only. 5. Terminal numbers shall not appear on the relay he
5、ader and there shall be affixed to the relay a permanent legible schematic diagram that identifies each terminal location specified. FIGURE 1. Outline dimensions and configuration of relay - Continued. TABLE I. Available time delay relays. 1/ Dash number Time delay seconds 10% Dash number Time delay
6、 seconds 10% Dash number Time delay seconds 10% Dash number Time delay seconds 10% -1000 -5000 -7500 -1001 -2001 -3001 -4001 -5001 -6001 -7001 -8001 -9001 -1002 -1202 2/ .100 2/ .500 2/ .750 1 2 3 4 5 6 7 8 9 10 12 -1402 -1602 -1802 -2002 -2202 -2502 -3002 -3502 -4002 -4502 -5002 -5502 -6002 -6502 1
7、4 16 18 20 22 25 30 35 40 45 50 55 60 65 -7002 -7502 -8002 -8502 -9002 -9502 -1003 -1103 -1203 -1303 -1403 -1503 -1603 -1703 70 75 80 85 90 95 100 110 120 130 140 150 160 170 -1803 -1903 -2003 -2103 -2203 -2303 -2403 -2503 -2603 -2703 -2803 -2903 -3003 180 190 200 210 220 230 240 250 260 270 280 290
8、 300 1/ Additional time delay relays within the .100- to 300 second delay range are available. To establish Part or Identifying Numbers (PINs) not listed in table I (see “PIN” herein). 2/ Add 10 milliseconds to 10 percent tolerance. Provided by IHSNot for ResaleNo reproduction or networking permitte
9、d without license from IHS-,-,-MIL-R-83726/8E 3 REQUIREMENTS: CONTACT DATA: Configuration: 2PDT; 2 form C. Life/load rating (relay case grounded): Type of load Life (cycles) 28 V dc Amperes 115 V ac - 1 phase 60 and 400 Hz Resistive Inductive Lamp 100,000 100,000 100,000 2.0 1.0 0.1 0.3 0.3 0.1 Cont
10、act voltage drop: Initial: 0.150 volt maximum. After life tests: 0.200 volt maximum. Intermediate current: Applicable in accordance with MIL-R-5757. Contact bounce: 2 milliseconds maximum, to be measured on each contact set using an oscilloscope, contacts shall be loaded with rated current and volta
11、ge. Overload: Resistive: 200 percent rated current. Inductive: 200 percent rated current. INPUT DATA: Duty power: Continuous. Range of voltage: 18 to 31 V dc. Input power: 18 to 31 V dc. Control line power: 18 to 31 V dc. Minimum voltage - high temperature: 18 V dc. Maximum current at 25C and 28 V d
12、c: 110 milliamperes. Time delay: Fixed time .1 to 300 seconds (see table I). Time delay tolerance: 10 percent except as noted in table I, under all combinations of input voltage and all environmental conditions. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
13、m IHS-,-,-MIL-R-83726/8E 4 Recycle characteristics: Before time out: Control power must remain off at least 25 milliseconds or 1 percent of the nominal time delay, whichever is greater, after which reapplication of control power for 25 milliseconds minimum will recycle the timer with a loss in timin
14、g no greater than 10 percent. After time out: Reapplication and subsequent removal of control power will recycle the timer. Control power must be applied for 25 milliseconds or 1 percent of the total time delay, whichever is greater, to insure a loss in timing accuracy no greater than 10 percent. Po
15、larity protection: The unit will be inoperative during, and undamaged by, reversal of the input polarity. ELECTRICAL DATA: Insulation resistance at 500 V dc 1/: Initial: 1,000 megohms minimum. After life or environmental tests: 500 megohms minimum. Dielectric withstanding voltage (sea level): Input
16、(1 and 9) 1/ : Initial: 1,000 V rms. After life: 1,000 V rms All other points 2/: Initial: 1,000 V rms. After life: 500 V rms. Dielectric withstanding voltage (altitude): Input (1 and 9): 350 V rms 1/ All other points: 350 V rms 2/ Transients: In accordance with MIL-STD-704 for 28 V dc system (figur
17、e 11). 1/ Input terminals 1, 5, and 9 must be connected together during this test. 2/ All pins to case for this test. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83726/8E 5 ENVIRONMENTAL DATA: Temperature range: -65C to +125C. Altitude: 80,
18、000 feet. Shock: 50 Gs for 11 1 milliseconds, MIL-STD-202, method 213A, condition A. Contact opening: 10 microseconds maximum duration. Monitor in accordance with method 310 of MIL-STD-202. Vibration (sinusoidal): 10-80 Hz at .06 inch peak double amplitude, 80-3,000 Hz at 20 Gs. Acceleration: 50 Gs
19、steady state, no opening of closed contacts. Sealing: Not applicable. PHYSICAL DATA: Dimensions and configuration: See figure 1. Weight: 0.25 pound maximum. Terminal strength: 3 0.5 pounds pull maximum. Finish: Bright nickel in accordance with SAE-AMS-QQ-N-290, class 1, type IV. Marking: See MIL-PRF
20、-83726. In addition, relays shall be marked with the ESDS identifier as specified in MIL-STD-1285. Electrostatic discharge (ESD) control program: Applicable (see MIL-PRF-83726). Part or Identifying Number (PIN): Consists of the prefix M83726/8-, a four-digit dash number expressed in milliseconds as
21、follows: M 83726/8- 1001 | | | Military designation | | | | | Specification sheet number | | |The first three digits are | significant; the fourth digit is the number of zeros to follow the first three digits. (The time delay is expressed in milliseconds and converted to seconds.) See examples. Exam
22、ple: M83726/8 - 0600 - 60 millisecond time delay. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83726/8E 6 CONFORMANCE INSPECTION: Performance of groups B and C tests are not applicable. The Qualified Products List (QPL) associated with this
23、inactive for new design specification will be maintained until acquisition of the product is no longer required, whereupon this specification and the QPL will be canceled. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the
24、 previous issue were made. 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 marginal nota
25、tions and relationship to the last previous issue. Referenced documents. In addition to MIL-PRF-83726, this document references the following: MIL-R-5757 MIL-PRF-83726/29 SAE-AMS-QQ-N-290 MIL-STD-202 MIL-STD-704 MIL-STD-1285 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85
26、 DLA CC (Project 5945-2013-032) Review activity: Air Force - 99 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 https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
