ECA 520C000-1987 Sectional Specification for Sensitive Switches of Certified Quality.pdf

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1、1 METRIC 1 ADOPTION NOTICE 1 17 August 1990 for 15 April 1987 ANSI/EIA-520C000-1987 ANSI/EIA-520C000-1987 was adopted on 6 July 1990, and is approved for use by the Department of Defense (DoD). Copies of this document are stocked at the Naval Publications and Forms Center, 5801 Tabor Avenue, Philade

2、lphia, PA 19120 for issue to DoD activities only, All other requestors must obtain the document from the Electronic Industries Association, 2001 Eye Street, N.W, Washington, D.C. 20006, Title of Document: Sectional Specification for Sensitive Switches of Certified Quality. Date of Specific Issue Ado

3、pted: 15 April 1987. Releasing Non-Government Standards Body: Electronic Industries Association, Custodians: Navy - EC Air Force - 85 Navy - AS, SH Air Force - 99 Review Activities: DLA - ES Military Coordinating Activity: Agent : (Project 5930-1411-01) Navy - EC DLA - ES User Activities: Navy - MC

4、1 of 1 AMSC N/A FSC 5930 DISTRIBUTION STATEMENT A. unlimited, Approved for public release; distribution is e a f . EIA 520COOO 87 W 3234600 0073453 b ANSI/EIA-620C000-1987 APPROVED: APRIL 16, 1987 EIA SPEC I FCAT I ON - Sectional Specification for Sensitive Switches of Certified Quality EIA-520C008

5、August 198 7 ELECTRONIC INDUSTRIES ASSOCIATION ENGINEERING DEPARTMENT - IIGCOO 87- 3234600 007345V 8 NOTICE EIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability

6、 and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Pub- lications shall not in any respect preclude any member or non-member of EIA from manufacturing or selling products

7、not conforming to such Ctsndeisda end Publications, nor shall the existence of such Standards end Publieations preclude their voluntary use by those other than EIA members, whether the standard is to be used either domestically or internationally. Recommended Standards and Publications are adopted b

8、y IA without regard to whether or not their adoption may involve patents on articles, materials, or processes. By such action, EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Recorn- mended Standard or Publication. Published b

9、y ELECTRONIC INDUSTRIES ASSOCIATION Engineering Department 2001 Eye Street, N.W. Washington, D.C. 20006 Copyrigth 1987 Ail rights reserved ELECTRONIC INDUSTRIES ASSOCIATION PRICE: $8.00 Printed in U.S.A. EIA 520COOO 87 = 3234600 0073455 T EIA-520C000 2.0 0: 1 1 1 1 2 2 2 GmEAL .mma.o.oooo. 2.1 Relat

10、ed Docmts . . . . . o . . . . . . . . . . . . . . . . . . . . . . . . . . . .e . . . 2.3 Telminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 Preferred Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 .5 M

11、arking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 02 Units and symbols 2.6 Detail SpeCifiCatiOn 0. 3.0 SMIIIICN PI= - QUALrrY ASSESSMENT DRES . 4 3.1 Qualification Apgnnml.s Rocedures . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2 Qua

12、lity confoxmance Inspection . 7 4.0 SEWta FOUR- TEST AND MEACUREMWT a. 11 4.1 Test 10-6 Lm Tenperature Operation . 11 4.2 Test 10-7 Icing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 i - a O EIA 520COOO 87 m 3234600 0073456 I m EIA-520C000 Page 1 SECTIONAL

13、 SPECIFICATION FOR SENSITIVE SWITCHES OF CERTIFIED QUALITY (From EIA Standards Proposal No. 1799, formulated under the cognizance of the EIA P-13.4 Working Group on Sensitive and Thumbwheel Switches.) 1.0 SECTION ONE - SCOPE AND CBJEcIi 1.1 %ope This sectional specification applies to the sensitive

14、switch family of special-use electromechanical switches of certified quality. Sensitive switches covered by this standard have a rated voltage not exceeding 500 volts and a rated current not exceeding 25 amperes. 1.2 bject The objective of this specification is: a) b) To select the appropriate quali

15、ty certification procedures c) To prescribe the general performance requirements for To prescribe preferred ratings and characteristics. and test methods frm EU-5200000. sensitive switches. Test severities and performance requirements prescribed in the detail specification shall be equal to or more

16、severe than the mandatory severities and performance requirements specified herein. 2 .o SECTION IWO - GENERAL 2.1 Mated Documents . The following documents of the issue in effect form a part of this standard to the extent specified herein. EIA-5200000 Generic Specification: Special-Use Electromecha

17、nical Switches of Certified Quality. 2 02 Units and symbols The requirements of EIA-5200000 shall apply. 2.3 Terminology In addition to the terminology specified in EIA- 5200000, the definitions in Appendix A shall apply to all sensitive switches. EIA 520COOO 87 3234600 0073457 3 = EIA-520C000 Page

18、2 2.4 Preferred Values 2.4.1 Rated voltages The following voltage ratings are preferred: volts ac (RMC) 6 30 125 277 480 A .O30 (lm level) 5 (1jbClevel) 6 28 125 250 2.4.2 Rated currents The following current ratings are g applies to momentary switches only. Nl Overtravel Force The straight line for

19、ce required to. move the switch actuator fran the free position to the full overtravel position, Makebreak Contacts A contact fonn in which one contact Closes connection to another contact and then opens it prior connection to a third contact. a m-ry A mechanical systen in which the contacts transfe

20、r when the actuator is depressed through the operating position, and the actuator and contacts return to their .originai mode when the operating for is remaved. &mmnt Dif f erentiai nie distance or ange fran the operate psiticai to the release position. Normally Qosed Contacts A contact pair that is

21、 closed when the switch actuator is in the free position. Normally Open Contacts A contact pair that is open whg the witch actuator is in the free position. Operating Force The force which must be applied to the switch actuator to cause it to move frun the free position to the operating position. Op

22、erating Position The position of the switch actuator at which the moving contact transfer fran its normal. position to its operated position. e I- - EIA 520COOO 87 3234600 0073469 T = EIA-520C000 Page 14 EIA 520COOO 87 m 3234600 0073470 b m EIA-520C000 Page 15 APPENDIX B STANDARD cmm - FORM A 1 0-f FORM e FORM X FORM Z