DLA MS21354 REV M-2011 SWITCH TOGGLE POSITIVE BREAK MINIATURE TOGGLE SEALED PRINTED CIRCUIT BOARD TERMINALS SINGLE POLE 250 MOUNTING BUSHING.pdf

1、AMSC N/A FSC 5930 INCH-POUND MS21354M 5 October 2011 SUPERSEDING MS21354L 4 September 1991 DETAIL SPECIFICATION SHEET SWITCH, TOGGLE, POSITIVE BREAK, MINIATURE, TOGGLE SEALED, PRINTED CIRCUIT BOARD TERMINALS, SINGLE POLE, .250 MOUNTING BUSHING This specification is approved for use by all Department

2、s 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 networking permitted without license from IHS-

3、,-,-MS21354M 2 Inches mm Inches mm Inches mm Inches mm .002 .003 .004 .005 .008 .010 .016 .020 0.05 0.08 0.10 0.13 0.20 0.25 0.41 0.51 .025 .035 .038 .045 .048 .055 .062 .067 0.64 0.89 0.97 1.14 1.22 1.40 1.57 1.70 .093 .125 .160 .170 .200 .250 .257 .270 2.36 3.18 4.06 4.32 5.08 6.35 6.53 6.86 .286

4、.293 .364 .408 .440 .572 .800 7.26 7.44 9.25 10.36 11.18 14.53 20.32 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 i

5、dentification is shown for reference purposes only. FIGURE 1. Dimensions and configuration - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21354M 3 REQUIREMENTS: For hardware detail specifications, see appendix of MIL-DTL-8834. In the

6、event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Dielectric withstanding voltage: For center on circuits, DWV shall be 1,200 V rms at sea level. 115 V ac, 60 hertz electrical endurance tests are to perfo

7、rmed at room temperature and pressure. Switches shall be rigidly mounted by their normal means on a rigid metal panel and subjected to shock test, 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 tra

8、nsfer during the test. Terminals: Gold plated. Suitable for mounting on panels .062 inches (1.57 mm) maximum thickness. Weight: .011 pound maximum (5 grams). Strength of terminals: 5 pounds normal to the mounting plane and 1 pound in other planes. Altitude: 50,000 feet. Strength of actuator: Lever p

9、ivot and lever stop 6 pounds. TABLE I. Detail requirements. MS dash no Circuit made between terminals as indicated with the toggle lever in these positions: 1/ Current capacity in amperes Low current level switching 5 mV Resistive load Inductive load 28 volts dc 115 volts 28 volts dc 115 volts Oppos

10、ite locking tab side 4/ Center position Locking tab side 4/ 60 Hertz ac 400 Hertz ac 60 Hertz ac 400 Hertz ac -211 on 2-3 off on 1-2 5 2 3 1 2/ 1 2 25 A 3/ -221 none off -231 on 1-2 -241 off none -271 mom-on 2-3 mom-on 1-2 -281 none -311 on 2-3 -321 5/ none on 2-3 1/ Direction of movement of interna

11、l mechanism is opposite to the direction of the toggle movement. 2/ With time constant of .020 .002 second. 3/ Contact resistance not to exceed 50 during life, low current level switching. 4/ Non-functional terminals shall not be supplied. 5/ Delayed action of the switch toggle lever may cause circu

12、it to close or open before snap action mechanism trips. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21354M 4 Referenced documents: MIL-DTL-8834 MIL-STD-202 Changes from previous issue. Marginal notations are not used in this revision to identif

13、y changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA CC Navy - AS Air Force - 85 (Project 5930-2011-076) DLA - CC Review activities: Army - AR Navy - EC Air Force - 99 NOTE: The activities listed above were interested in this do

14、cument 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-,-,-