1、 AMSC N/A FSC 5920 INCH-POUND W-F-1814/5D 15 November 2013 SUPERSEDING W-F-1814/5C 27 July 2009 FEDERAL SPECIFICATION SHEET FUSE, CARTRIDGE, HIGH INTERRUPTING CAPACITY, CLASS J (CURRENT-LIMITING) 600 VOLTS, 0-30 AMPERES The General Services Administration has authorized the use of this federal speci
2、fication, by all federal agencies. The complete requirements for procuring the fuses described herein shall consist of this document and the latest issue in effect of W-F-1814. Ltr Inches mm Min Max Min Max A 2.220 2.280 56.39 57.91 B .980 1.020 24.89 25.91 C .500 - 12.70 - D .804 .820 20.42 20.83 N
3、OTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .02 (0.51 mm) for two-place decimals and .005 (0.13 mm) for three-place decimals. FIGURE 1. Configuration and dimensions. Provided by IHSNot for ResaleNo rep
4、roduction or networking permitted without license from IHS-,-,-W-F-1814/5D 2 REQUIREMENTS: Interface and physical dimensions: See figure 1. Physical: Nonrenewable. Terminals: Ferrule type: Material: Brass, copper or copper alloy. Strength: 5 pound-inches torque between body and ferrules. Body: Insul
5、ating material: Ceramic, melamine-impregnated glass fiber, or the equivalent. Electrical: Voltage: 600 volts or less. Frequency: 48 Hz to 60 Hz. Current: See table I. Current carrying capacity: 100 percent indefinitely with temperature rise not to exceed 55C above ambient on the ferrules. Overload i
6、nterrupt: Shall interrupt within 1 hour at 135 percent of rated current and within 4 minutes at 200 percent of rated current. Interrupting capacity rating: 200,000 amperes rms symmetrical at 600 volts, 60 Hz and a power factor of 20 percent or less. Closing angle shall be essentially at the zero of
7、the voltage wave (maximum offset) or later, to produce start of arcing within 30 electrical degrees prior to system peak voltage. Threshold ratio: 30 maximum. Maximum peak let-thru current: See table I. Maximum clearing I2T: See table I. Applicable fuseholders: Class J for ferrule type fuses in acco
8、rdance with UL 4248-8. Part or Identifying Number (PIN): See table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-F-1814/5D 3 TABLE I. Electrical characteristics. 1/ Government PIN Current rating (amperes) Maximum peak let-thru current amperes
9、Maximum clearing I2T x 103WF1814/05-001 1 1,000 0.8 WF1814/05-002 3 1,500 1.2 WF1814/05-003 6 2,300 2.0 WF1814/05-004 10 3,300 3.0 WF1814/05-005 15 4,000 4.0 WF1814/05-006 20 5,000 5.0 WF1814/05-007 25 6,000 5.5 WF1814/05-008 30 7,500 7.0 1/ For silver plated terminals, the designator “S“ is added a
10、fter the dash number. Referenced documents. In addition to W-F-1814, this document references the following: UL 4248-8 The margins of this specification 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
11、assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. MILITARY INTEREST: CIVIL AGENCY
12、 COORDINATING ACTIVITIES: Custodians: GSA - FAS Army - CR Navy - EC Preparing activity: Air Force - 85 DLA - CC DLA - CC Review activities: (Project 5920-2013-008) Army - AT, CR4 Navy - OS NSA - NS 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 https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
