1、 AMSC N/A FSC 5920 INCH-POUND W-F-1814/10D 15 November 2013 SUPERSEDING W-F-1814/10C 27 July 2009 FEDERAL SPECIFICATION SHEET FUSE, CARTRIDGE, HIGH INTERRUPTING CAPACITY, CLASS J (CURRENT-LIMITING) 600 VOLTS, 401-600 AMPERES The General Services Administration has authorized the use of this federal
2、specification, 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 Ltr Inches mm Min Max Min Max Min Max Min Max A 7.910 8.090 200.91 205.49 G .500 - 12.70 - B 5.940 6.060
3、 150.88 153.92 H 1.965 2.035 49.91 51.69 C 3.720 3.780 94.49 96.01 J 2.120 (REF) 53.85 (REF) D 1.000 (REF) 25.40 (REF) K .372 .378 9.45 9.60 E .526 .536 13.36 13.61 L - 2.620 - 66.55 F .690 .750 17.53 19.05 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information o
4、nly. 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 reproduction or networking permitted without license from IHS-,-,-W-F-1814/10D 2 REQUIREMENTS:
5、Interface and physical dimensions: See figure 1. Physical: Nonrenewable. Terminals: Knife blade type: Materials: 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. Ele
6、ctrical: 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 75C above ambient on the ferrules. Overload interrupt: Shall interrupt within 2 hours at 135 percent of rated current and with
7、in 14 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 the voltage wave (maximum offset) or later, to produce start of arcing within 3
8、0 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 blade type fuses in accordance with UL 4248-8. Part or Identifying Number (PIN): See table I. TABLE I. El
9、ectrical characteristics. 1/ Government PIN Current rating (amperes) Maximum peak let-thru current amperes Maximum clearing I2T x 103WF1814/10-001 450 35,000 1,500 WF1814/10-002 500 42,000 2,000 WF1814/10-003 600 45,000 2,500 1/ For silver plated terminals, the designator “S“ is added after the dash
10、 number. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-F-1814/10D 3 Referenced documents. In addition to W-F-1814, this document references the following: UL 4248-8 The margins of this specification sheet are marked with vertical lines to indicat
11、e 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 document based on the entire content irrespect
12、ive of the marginal notations and relationship to the last previous issue. MILITARY INTEREST: CIVIL AGENCY COORDINATING ACTIVITIES: Custodians: GSA - FAS Army - CR Navy - EC Preparing activity: Air Force - 85 DLA - CC DLA - CC Review activities: (Project 5920-2013-013) Army - AT, CR4 Navy - OS NSA -
13、 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-,-,-
