1、AMSC N/A FSC 5920 INCH-POUND MIL-DTL-24646/14B 29 October 2008 SUPERSEDING MIL-DTL-24646/14A 17 May 2002 DETAIL SPECIFICATION SHEET FUSE BOXES, FEEDER JUNCTION, TOTALLY ENCLOSED, 250 VOLTS, ALTERNATING CURRENT, THREE PHASE BUSES, SINGLE AND THREE PHASE BRANCHES, 0-30 AND 31-60 AMPERE FUSES, SYMBOLS
2、680 AND 681.1 This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-24646. FIGURE 1. Fuse box assembly, typical. Item No. 01, 02 (Symbol 68
3、0 shown) NOTES: 1. Dimensions are in inches. 2. Unless otherwise specified herein, tolerances shall be as follows: Two place decimals - plus or minus 0.02. Three place decimals - plus or minus 0.005.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL
4、-DTL-24646/14B 2 FIGURE 2. Enclosure, overall dimensions. Item No. 03, 04 (Symbols 680 and 681.1)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/14B 3 FIGURE 3. Mounting dimensions, ref. (Symbols 680 and 681.1) Provided by IHSNot for Re
5、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/14B 4 FIGURE 4. Fuse block assembly, typical. Item No. 05, 06 (Symbols 680 and 681.1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/14B 5 Note: MAI
6、N TERMINALS SYMBOL 680 200 MCM SYMBOL 681.1 75 MCM FIGURE 5. Wiring diagram. 07 (Symbols 680 and 681.1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/14B 6 REQUIREMENTS Symbol numbers: See table I. Design: Electrical rating: 250 volts
7、 alternating current, 0-30 ampere and 31-60 ampere, 60 hertz. Dimensions and configuration: See figures 1, 2, 3 and 4. Wiring diagrams: See figure 5. Mounting dimensions: See figure 3. Degree of enclosure: Totally enclosed. Designation and marking: See MIL-DTL-24646. Parts: The parts listed in table
8、 II and specified in MIL-DTL-24646 shall be used in the construction of the fuse boxes specified herein. General information: Military part numbers and general information are as specified in table I. TABLE I. Military part numbers and general information. Supersedes Military part no. Symbol no. Wei
9、ght in pounds No. of circuits Feeder MCM Branch MCM Fuse size Bus bar size Drawing no. Type M24646/14- 001 680 19.0 1 200 40 0-30A 0.75 x 0.12 9-S-4688-L JJ-5 M24646/14- 002 681.1 18.75 1 75 40 31-60A 0.75 x 0.12 9-S-4740-L N/A Provided by IHSNot for ResaleNo reproduction or networking permitted wit
10、hout license from IHS-,-,-MIL-DTL-24646/14B 7 TABLE II. Parts list. Description QTY M /- Material/ specification Remarks Item no. 1/ 001 002 01 Fuse box assembly (sym 680) - MIL-DTL-24646/14 See fig. 1 02 Fuse box assembly (sym 681.1 - MIL-DTL-24646/14 See fig. 1 03 Enclosure (12 x 12 x 4.5) 1 M2414
11、2/14-003 MOD “C” TO 4.5 inches See fig. 2 Type E mod 04 Enclosure (12 x 12 x 4) 1 M24142/14-003 MOD “C” to 4.0 inches See fig. 2 Type E mod 05 Fuse block assembly 1 MIL-DTL-24646/14 See fig. 4 06 Fuse block assembly 1 MIL-DTL-24646/14 See fig. 4 07 Wiring diagram 1 1 MIL-E-2036 See fig. 5 08 Fuse cl
12、ip (0-30A) 6 - A-A-55507/1-06 N/A 09 Fuse clip (31-60A) - 6 A-A-55507/1-08 N/A 10 Main terminal assembly 6 6 NAVSEA/SHIPS 9000-S-6202-73246 N/A 11 Identification plate 1 1 Brass, ASTM B36/B36M B121/B121M N/A 12 Information plate 1 1 Brass, ASTM B36/B36M B121/B121M N/A 1/ Item numbers after the figur
13、e titles are the same as the item numbers shown in this table. Referenced documents. In addition to MIL-DTL-24646, this document references the following: MIL-E-2036 ASTM B36/B36M ASTM B121/B121M The margins of this specification sheet are marked with vertical lines to indicate where changes from th
14、e 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 not
15、ations and relationship to the last previous issue. Custodian: Preparing activity: Navy - SH DLA - CC DLA - CC (Project 5920-2008-028) 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-,-,-
