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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 Copyright Electronic Components, Assemblies applies to momentary switches only. N l Overtravel Force The straight line force required to. move the switch actuator fran the free position to the
5、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 - r y A mechanical systen in which the contacts transfer when the actuator is depressed through the operating position, and
6、 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 closed when the switch actuator is in the free position. Normally O
7、pen Contacts A contact pair that is open w h g 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. Operating Position The position of the switch actuator at which the
8、moving contact transfer fran its normal. position to its operated position. e I - - Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 00:12:23 MDTNo reproduction o
9、r networking permitted without license from IHS -,-,- EIA 520COOO 87 3234600 0073469 T = EIA-520C000 Page 14 Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 00:1
10、2:23 MDTNo reproduction or networking permitted without license from IHS -,-,- E I A 520COOO 87 m 3234600 0073470 b m EIA-520C000 Page 15 APPENDIX B STANDARD c m m - FORM A 1 0-f FORM e FORM X FORM Z Copyright Electronic Components, Assemblies & Materials Association Provided by IHS under license with ECA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 00:12:23 MDTNo reproduction or networking permitted without license from IHS -,-,-