1、 W-C-375/18C 16 June 2009 SUPERSEDING W-C-375/18B 04 August 2004 FEDERAL SPECIFICATION SHEET CIRCUIT BREAKERS, MOLDED CASE, BRANCH CIRCUIT AND SERVICE, TYPE I, SERIES TRIP, THREE POLE (10 THROUGH 100 AMPERES) The General Services Administration has authorized the use of this federal specification sh
2、eet by all federal agencies. The complete requirements for procuring circuit breakers described herein shall consist of this document and the latest issue in effect of W-C-375. FIGURE 1. Interface and physical dimensions. AMSC N/A FSC 5925 INCH-POUND Provided by IHSNot for ResaleNo reproduction or n
3、etworking permitted without license from IHS-,-,-W-C-375/18C 2 Inches mm Inches mm Inches mm Inches mm .031 0.79 .344 8.74 1.125 28.58 2.562 65.07 .062 1.57 .375 9.53 1.250 31.75 2.625 66.68 .078 1.98 .469 11.91 1.375 34.93 2.750 69.85 .094 2.39 .500 12.70 1.406 35.71 2.938 74.63 .125 3.18 .625 15.8
4、8 1.656 42.06 3.188 80.98 .138 3.51 .656 16.66 1.875 47.63 3.375 85.73 .172 4.37 .688 17.48 1.969 50.01 3.500 88.90 .188 4.78 .750 19.05 2.062 52.37 3.969 100.81 .219 5.56 1.000 25.40 2.219 56.36 4.500 114.30 .250 6.35 1.094 27.79 2.344 59.54 6.000 152.40 .312 7.92 NOTES: 1. Dimensions are in inches
5、. 2. Metric equivalents are given for general information only. 3. Tolerance is .01 (0.25 mm) for two-place decimals and .005 (0.13 mm) for three-place decimals. 4. Line and load terminals shall accept and be suitable for no. 14 through no. 1/0 copper (CU) or aluminum (AL) wire. FIGURE 1. Interface
6、and physical dimensions - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-C-375/18C 3 REQUIREMENTS: Interface and physical dimensions: See figure 1. Trip indication: See figure 1. Common trip: All poles shall make and break simultaneousl
7、y when operated manually or automatically. Electrical: Interrupting current rating: RMS symmetrical. 18,000 amperes at 240 V ac. 14,000 amperes at 277 V ac. 14,000 amperes at 480 V ac. Voltage rating: 480 V ac maximum. Trip current: See table I. Frequency: 60 hertz. Calibration: At +40C. Enclosure f
8、or overload, endurance, and short circuit tests: Cutler-Hammer SFDN100, or equivalent. TABLE I. Part or Identifying Numbers (PINs) and current rating. Government PIN Current rating WC375/18-001 1/ 10 WC375/18-002 15 WC375/18-003 20 WC375/18-004 25 WC375/18-005 30 WC375/18-006 35 WC375/18-007 40 WC37
9、5/18-008 50 WC375/18-009 60 WC375/18-010 70 WC375/18-011 90 WC375/18-012 100 1/ Not for new design. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-C-375/18C 4 TABLE II. Supersession and cross reference. Government PIN Superseded number CAGE 79500
10、WC375/17-001 EHB2010L EHB2010 EHD2010L EHD2010 WC375/17-002 EHB2015L EHB2015 EHD2015L EHD2015 WC375/17-003 EHB2020L EHB2020 EHD2020L EHD2020 WC375/17-004 EHB2025L EHB2025 EHD2025L EHD2025 WC375/17-005 EHB2030L EHB2030 EHD2030L EHD2030 WC375/17-006 EHB2035L EHB2035 EHD2035L EHD2035 WC375/17-007 EHB20
11、40L EHB2040 EHD2040L EHD2040 WC375/17-008 EHB2050L EHB2050 EHD2050L EHD2050 WC375/17-009 EHB2060L EHB2060 EHD2060L EHD2060 WC375/17-010 EHB2070L EHB2070 EHD2070L EHD2070 WC375/17-011 EHB2090L EHB2090 EHD2090L EHD2090 WC375/17-012 EHB2100L EHB2100 EHD2100L EHD2100 The margins of this specification sh
12、eet are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this d
13、ocument based on the entire content irrespective of the marginal notations and relationship to the last previous issue. MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITIES: Custodians: GSA - FSS Navy - YD Air Force - 85 Preparing activity: DLA - CC DLA - CC Review activities: Project 5925-2009-
14、010 Navy - MC, OS 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-