DLA A-A-55571 D-2009 CIRCUIT BREAKER 28 VOLTS (V) DC MANUAL AND AUTOMATIC RESET GENERAL REQUIREMENTS FOR.pdf
《DLA A-A-55571 D-2009 CIRCUIT BREAKER 28 VOLTS (V) DC MANUAL AND AUTOMATIC RESET GENERAL REQUIREMENTS FOR.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-55571 D-2009 CIRCUIT BREAKER 28 VOLTS (V) DC MANUAL AND AUTOMATIC RESET GENERAL REQUIREMENTS FOR.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、AMSC N/A FSC 5925 INCH-POUND A-A-55571D 25 June 2009 SUPERSEDING A-A-55571C 3 May 2007 COMMERCIAL ITEM DESCRIPTION CIRCUIT BREAKER, 28 VOLTS (V) DC, MANUAL AND AUTOMATIC RESET, GENERAL REQUIREMENTS FOR The General Services Administration has authorized the use of this commercial item description for
2、 all federal agencies. 1. SCOPE. This commercial item description (CID) covers the general requirements for 28 V, manual and automatic reset circuit breakers. Requirements for specific circuit breakers are covered in the individual CID specification sheets. Circuit breakers covered by this CID are i
3、ntended for commercial/industrial applications. 2. CLASSIFICATION/PART IDENTIFICATION NUMBER (PIN). This CID uses a classification system which is included in the PIN as shown in the following example (see 7.1). AA55571 /01 - 001 Abbreviated CID number Applicable CID sheet (two digit) Dash number (s
4、ee applicable CID sheet) 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimensions. Circuit breakers supplied to this CID shall be as specified on the applicable CID specification sheet. 3.2 CID specification sheet. The family of circuit breakers shall be in accordance with the requirements
5、specified herein and the applicable CID specification sheet. In the event of a conflict between this general CID and the applicable CID specification sheet, the latter shall govern. 3.3 Dielectric strength. The dielectric strength shall be 1,500 V ac minimum. 3.4 Insulation resistance. The insulatio
6、n resistance shall be 100 megohms minimum. 3.5 Vibration resistance. The vibration resistance of these circuit breakers shall be 10G. 3.6 Mechanical shock resistance. Circuit breakers shall be able to withstand a mechanical shock of 100G maximum. Beneficial comments, recommendations, additions, dele
7、tions, clarifications, etc., and any data that may improve this document should be sent to: Defense Supply Center, Columbus, ATTN: DSCC-VAT, P.O. Box 3990, Columbus, OH 43218-3990, or mailto:CircuitProtectdscc.dla.mil. Since contact information can change you may want to verify the currency of the a
8、ddress information using ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55571D 2 3.7 Interrupt current capacity. The interrupt current capacity shall be 600 amperes (A) maximum for current rat
9、ings 2 A to 30 A, and 900 A maximum for current ratings above 30 A. 3.8 Calibration at 77F (25C). Circuit breakers shall be able to carry 100 percent of their rated current for 60 minutes minimum without tripping or other current interruption. Circuit breakers shall subsequently operate at 138 perce
10、nt of rated current and shall trip within 60 minutes. 3.9 Speed of operation. See the applicable CID sheets. 3.10 Marking. Circuit breakers supplied to this CID shall be marked with the manufacturers (MFRs) standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.
11、) 3.11 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantag
12、eous life cycle costs. 3.12 Workmanship. Circuit breakers shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered mater
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DLAAA55571D2009CIRCUITBREAKER28VOLTSVDCMANUALANDAUTOMATICRESETGENERALREQUIREMENTSFORPDF

链接地址:http://www.mydoc123.com/p-686988.html