DLA W-F-1814 52 C-2009 FUSE CARTRIDGE HIGH INTERRUPTING CAPACITY CLASS L (CURRENT-LIMITING) 600 VOLTS 2501-3000 AMPERES.pdf

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1、 AMSC N/A FSC 5920 W-F-1814/52C 01 October 2009 SUPERSEDING W-F-1814/52B 15 December 2003 FEDERAL SPECIFICATION SHEET FUSE, CARTRIDGE, HIGH INTERRUPTING CAPACITY, CLASS L (CURRENT-LIMITING) 600 VOLTS, 2501-3000 AMPERES The General Services Administration has authorized the use of this federal specif

2、ication sheet by all federal agencies. The complete requirements for procuring the fuses described herein shall consist of this document and the latest issue of Specification W-F-1814. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwi

3、se specified, tolerances are .02 (0.51 mm) for two-place decimals and .005 (0.13 mm) for three-place decimals. 4. Slots and holes shall be .62 (15.75 mm). FIGURE 1. Configuration and dimensions. INCH-POUND Inches mm Inches mm .03 .76 1.62 41.15 .06 1.52 1.75 44.45 .09 2.29 3.50 93.90 .75 19.05 5.03

4、127.76 .81 20.57 5.75 146.05 .88 22.35 6.75 171.45 1.38 35.05 10.75 273.05 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-F-1814/52C 2 REQUIREMENTS: Interface and physical dimensions: See figure 1. Physical: Nonrenewable. Terminals: Knife blade ty

5、pe. Material: Brass, copper, or copper alloy. Strength: 20 pound-inches torque between body and knife blades. Body: Insulating 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 carr

6、ying capacity: 110 percent of rated current indefinitely with temperature rise on the terminals not to exceed 65C above the calibration temperature rise of the test equipment. Overload interrupt: Instantaneous: Shall interrupt within 240 minutes at 150 percent of rated current. Time delay: In additi

7、on to the above requirement, the fuse shall not interrupt 500 percent of rated current within 4 seconds. 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 the voltage wave (max

8、imum offset) or later, to produce start of arcing within 30 electrical degrees prior to system peak voltage. Threshold ratio: 40 maximum. Peak let-thru current: 200x103amperes maximum. Maximum clearing I2T: 100x106 ampere2seconds. Applicable fuseholding device: Fuseholding devices shall provide moun

9、ting holes to correspond with those in the fuse as specified. All fuses shall be bolted into fuseholding device during operation. Part or Identifying Number (PIN): See table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-F-1814/52C 3 TABLE I. E

10、lectrical characteristics. Government PIN Current rating (amps) Overload interrupt WF1814/52-001 3000 Instantaneous WF1814/52-002 3000 Time delay 1/ 1/ Should not be considered for use in new design. The margins of this specification sheet are marked with vertical lines to indicate where changes fro

11、m 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 document based on the entire content irrespective of the marginal

12、 notations and relationship to the last previous issue. MILITARY INTEREST: CIVIL AGENCY COORDINATING ACTIVITIES: Custodians: GSA - FSS Army - CR Navy - YD Preparing activity: Air Force - 85 DLA - CC DLA - CC Review activities: (Project 5920-2009-020) Army - AR, AT Navy - OS NSA - NS NOTE: The activi

13、ties 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-,-,-

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