1、AMSC N/A FSC 5920 INCH-POUND MIL-DTL-24646/3B 29 October 2008 SUPERSEDING MIL-DTL-24646/3A 17 May 2002 DETAIL SPECIFICATION SHEET FUSE BOXES, FEEDER DISTRIBUTION, TOTALLY ENCLOSED, 125/250 VOLTS, DIRECT CURRENT, THREE WIRE BUSES, TWO WIRE BRANCHES, 0-30 AMPERE FUSES, SYMBOLS 540, 541 AND 542 This sp
2、ecification 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, 03 (Symbol 541 shown) NOTES: 1
3、. 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-DTL-24646/3B 2 D
4、IMENSIONS (REF) SYMBOL NO A B C 540 14.16 12.16 4.75 541 16.16 12.16 4.75 542 20.16 12.16 4.75 FIGURE 2. Enclosure, overall dimensions. Item No. 04, 05, 06 (Symbols 540, 541, 542) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/3B 3 DIM
5、ENSIONS SYMBOL NO A B 540 5.50 11.00 541 6.50 13.00 542 8.00 16.00 FIGURE 3. Mounting dimensions, ref. (Symbols 540, 541, and 542) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/3B 4 DIMENSIONS (MAX) SYMBOL NO A B C 540 4.37 7.12 2.80
6、541 7.13 7.12 2.80 542 10.25 7.12 2.80 FIGURE 4. Fuse block assembly, typical. Item No. 07, 08, 09 (Symbols 540, 541 and 542) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/3B 5 A. Two 2-wire branches B. Four 2-wire branches (Symbol 54
7、0) (Symbol 541) C. Six 2-wire branches (Symbol 542) FIGURE 5. Wiring diagrams. Item No. 10, 11, 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/3B 6 REQUIREMENTS Symbol numbers: See table I. Design: Electrical rating: 125/250 volts d
8、irect current, 0-30 ampere. 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 II and specified in MIL-DTL-24646
9、 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. Weight in pounds No. of circuits Feed
10、er MCM Branch MCM Fuse size Bus bar size Drawing no. Type M24646/3- 001 540 22.0 2 200 40 0-30A 0.88 x 0.25 9000-S-6202-73157 II-S M24646/3- 002 541 25.4 4 200 40 0-30A 0.88 x 0.25 9000-S-6202-73158 JJ-S M24646/3- 003 542 32.5 6 200 40 0-30A 0.88 x 0.25 9000-S-6202-73159 KK-S Provided by IHSNot for
11、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24646/3B 7 TABLE II. Parts list. QTY M /- Item no. 1/ Description 001 002 003 Material/ specification Remarks 01 Fuse box assembly (sym 540) - MIL-DTL-24646/3 See fig. 1 02 Fuse box assembly (sym 541) - MIL-DTL-24646/
12、3 See fig. 1 03 Fuse box assembly (sym 542) - MIL-DTL-24646/3 See fig. 1 04 Enclosure (12 x 14 x 4) 1 M24142/16-004 See fig.2 05 Enclosure (12 x 16 x 4) 1 M24142/16-005 See fig. 2 06 Enclosure (12 x 20 x 4) 1 M24142/16-007 See fig. 2 07 Fuse block assembly 1 MIL-DTL-24646/3 See fig. 4 08 Fuse block
13、assembly 1 MIL-DTL-24646/3 See fig. 4 09 Fuse block assembly 1 MIL-DTL-24646/3 See fig. 4 10 Wiring diagram 1 MIL-E-2036 See fig. 5 11 Wiring diagram 1 MIL-E-2036 See fig. 5 12 Wiring diagram 1 MIL-E-2036 See fig. 5 13 Fuse clip (0-30A) 8 16 24 A-A-55507/1-06 N/A 14 Identification plate 1 1 1 Brass,
14、 ASTM B36/B36M B121/B121M N/A 15 Information plate 2 4 6 Brass, ASTM B36/B36M B121/B121M N/A 1/ Item numbers after the figure 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/B
15、36M ASTM B121/B121M The margins of this specification sheet 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 contract
16、ors 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. Custodian: Preparing activity: Navy - SH DLA - CC DLA - CC (Project 5920-2008-019) NOTE: the activities listed above were in
17、terested 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-,-,-
