1、AMSC N/A FSC 5930 INCH-POUND MS21434C 5 October 2011 SUPERSEDING MS21434B 10 December 1981 DETAIL SPECIFICATION SHEET SWITCHES, TOGGLE, POSITIVE BREAK, MINIATURE, TOGGLE SEALED, DOUBLE POLE, PRINTED CIRCUIT BOARD TERMINALS, RIGHT ANGLE MOUNT Inactive for new design after 5 October 2011 This specific
2、ation is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the products described herein shall consist of this specification sheet and MIL-DTL-8834. FIGURE 1. Dimensions and configuration. Provided by IHSNot for ResaleNo reproduction or net
3、working permitted without license from IHS-,-,-MS21434C 2 Inches mm Inches mm Inches mm .003 .004 .005 .010 .015 .020 0.08 0.10 0.13 0.25 0.38 0.51 .024 .025 .045 .067 .093 .100 0.61 0.64 1.14 1.70 2.36 2.54 .110 .150 .160 .170 .200 .220 2.79 3.81 4.06 4.32 5.08 5.59 .250 .319 .420 .440 .500 .556 .5
4、72 6.35 8.10 10.67 11.18 12.70 14.12 14.53 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .010 (0.25 mm) on decimals and 5 on angles. 4. Terminals need not be marked. Terminal identification is shown for
5、 reference purposes only. FIGURE 1. Dimensions and configuration - Continued. REQUIREMENTS: For design feature purposes, this specification sheet takes precedence over acquisition documents referenced herein. 115 V ac 60 hertz electrical endurance tests are to be performed at room temperature and pr
6、essure. Switches shall be rigidly mounted to the shock test equipment by means of their terminals and subjected to shock tests, method 207, of MIL-STD-202. The switch shall be electrically and mechanically operative at the conclusion of the test and there shall be no mechanical transfer during the t
7、est. Terminals: Gold plated. Weight: .0234 pound maximum (8.75 grams). Terminal strength: Terminals shall be subjected to a five-pound pull for 5 to 10 seconds with the long dimension of the terminal contact vertical. The force shall be applied to the terminal at a point .06 inch (1.5 mm) below the
8、bottom of the switch base, and in a direction parallel to the axis of the toggle lever in its center position. Two outboard terminals shall be tested. However, a terminal shall be tested only once in one direction. Altitude: 50,000 feet. Strength of actuator. Lever pivot and lever stop 6 pounds. Mou
9、nting bracket: Brass, tin plated, or coated. For hardware detail specifications, see appendix of MIL-DTL-8834. MS dash number -321, -331, -341, and -351, dielectric withstanding voltage: 1,200 V rms at sea level. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
10、om IHS-,-,-MS21434C 3 TABLE I. Detail requirements. MS dash no. Circuit made between terminals as indicated with the toggle lever in these positions: 2/ Current capacity in amperes Life, low current level switching 5 mV Resistive load Inductive load 28 volts dc 115 volts 28 volts dc 115 volts Opposi
11、te locking tab side 5/ Center position Locking tab side 5/ 60 Hertz ac 400 Hertz ac 60 Hertz ac 400 Hertz ac -211 on 2-3, 5-6 off on 1-2, 4-5 5 2 3 1 3/ 1 2 25 A 3/ -221 none off -231 on 1-2, 4-5 -241 off none -271 mom-on 2-3, 5-6 mom-on 1-2, 4-5 -281 none -311 on 2-3, 5-6 -331 1/ on 2-3, 5-6 on 2-3
12、 4-5 on 1-2, 4-5 -341 1/ mom-on 2-3, 5-6 on 2-3, 4-5 mom-on 1-2, 4-5 -321 1/ none on 2-3. 5-6 mom-on 1-2, 4-5 -351 1/ on 2-3, 5-6 on 2-3, 4-5 mom-on 1-2, 4-5 1/ Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips. 2/ Direction of movement
13、of internal mechanism is opposite to the direction of the toggle movement. 3/ With time constant of .020 .002 second. 4/ Contact resistance not to exceed 50 during life, low current level switching. 5/ Non-functional terminals shall not be supplied. Provided by IHSNot for ResaleNo reproduction or ne
14、tworking permitted without license from IHS-,-,-MS21434C 4 Referenced documents: MIL-DTL-8834 MIL-STD-202 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activ
15、ity: Army - CR DLA CC Navy - AS Air Force - 85 (Project 5930-2011-080) DLA - CC Review activities: Army - AR, AT, AV, MI Navy - EC 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.daps.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
