1、AMSC N/A FSC 5925 INCH-POUND MIL-DTL-23928/1E 2 February 2013 SUPERSEDING MIL-DTL-23928/1D 22 October 2010 DETAIL SPECIFICATION SHEET PANEL, ELECTRICAL, 125 VOLTS, POWER DISTRIBUTION FOR ALB-1 AND NLB-1 CIRCUIT BREAKERS, 4-24 CIRCUITS, DRIPPROOF, THREE PHASE FEED, SINGLE AND THREE PHASE LOADS, TOTAL
2、LY ENCLOSED AND WATERTIGHT 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-23928. Note: Dripshield required for dripproof enclosure o
3、nly. FIGURE 1. Distribution panel for ALB-1 and NLB-1 circuit breakers, totally enclosed and dripproof enclosure (typical). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23928/1E 2 FIGURE 2. Distribution panel for ALB-1 and NLB-1 circuit br
4、eakers watertight enclosure (typical). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23928/1E 3 NUMBER OF CIRCUITS DIMENSIONS (INCHES) MOUNTING HOLES PER SIDE A B C D E F G H J 6-1 or 4-3 22.50 6.50 Max 15.44 Max 13.44 Max 17.44 Max 4.63 9.
5、25 - 6.63 3 8-1 or 6-3 25.50 4.63 9.25 - 8.13 12-1 or 8-3 28.50 6.00 12.00 - 8.25 14-1 or 10-3 31.50 6.50 13.00 19.50 6.00 4 18-1 or 12-3 34.50 6.50 13.00 19.50 7.50 20-1 or 14-3 37.50 6.50 13.00 19.50 9.00 24-1 or 16-3 40.50 11.25 22.50 33.75 3.38 FIGURE 3. Panel and mounting dimensions. Provided b
6、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23928/1E 4 FIGURE 4. Wiring diagrams, front view (typical). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23928/1E 5 TABLE I. Part or identifyin
7、g numbers (PINs). Dash number Number of circuits Symbol number and enclosure type Current rating (amperes) 1 3 Dripproof (DP) Totally enclosed (TE) Watertight (WT) 01 6 994.4 994.5 994.6 200 02 8 995.4 995.5 995.6 300 03 12 999.4 999.5 999.6 400 04 14 1006 1006.1 1006.2 400 05 18 1007 1007.1 1007.2
8、400 06 24 1008 1008.1 1008.2 400 07 1/ 20 400 11 4 1009 1009.1 1009.2 200 12 6 1010 1010.1 1010.2 300 13 8 1011 1011.1 1011.2 400 14 10 1012 1012.1 1012.2 400 15 12 1013 1013.1 1013.2 400 16 14 1014 1014.1 1014.2 400 17 1/ 16 400 1/ Dash number has no corresponding symbol number established. Example
9、 The full PIN for a watertight, 8-circuit, single phase panel is: M23928/1-02 WT Detail specification Enclosure type (see table I) Specification sheet number Dash number (see table I) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-23928/1E
10、6 NOTES: 1. Dimensions are in inches. 2. Unless otherwise specified herein, tolerances shall be as follows: Two place decimals: 0.02. Three place decimals: 0.005. 3. Class 1 panels with doors shall meet the 45 degree dripproof requirements, and panels without doors shall meet the 15 degree dripproof
11、 requirements in accordance with MIL-STD-108. When used, drip shield dimensions shall be as required to provide the specified degree of enclosure. Panels shall be furnished without doors only when specified in acquisition documents. 4. Class 2 panels shall meet the totally enclosed requirements in a
12、ccordance with MIL-STD-108. Panels shall be furnished without doors only when specified in acquisition documents. 5. Class 3 panels, with doors, gaskets, and drain opening, shall meet the watertight requirements in accordance with MIL-STD-108. 6. The following types of circuit breaker mounting bases
13、 may be installed: (a) Single phase (1): Type A (see MIL-C-17588) four breakers, 2 circuit base, AB or BC. Type B (see MIL-C-17588) four breakers, 2 circuit base, AC. Type 3 mounting base-six breakers. (b) Three phase (3): Type (3) mounting base-six breakers. 7. When a combination of 1 and 3 circuit
14、s are required, the number of each type circuit shall be specified in the acquisition document. 8. Panels shall be provided with a retaining device to hold all circuit breakers in place when the shield is removed. 9. Panels shall be of aluminum construction unless steel is specified in the acquisiti
15、on documents. 10. Panels shall be furnished with mounting blocks. REQUIREMENTS: Class: 1 - Dripproof (see note 1). Class: 2 - Totally enclosed (see note 2). Class: 3 - Watertight (see note 3). Dimensions and configuration: See figures 1 through 4. Composition: See table I. Current rating: See table
16、I. Voltage rating: 125 V ac and V dc. Short circuit capacity: 50,000 amperes. Bus bar size: 1 x .250 inch. Bus bar feeder connection: Top and bottom. Circuit breakers: ALB-1 and NLB-1 (see MIL-C-17588). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
17、MIL-DTL-23928/1E 7 Referenced documents. In addition to MIL-DTL-23928, this document references the following: MIL-C-17588 MIL-STD-108 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 an
18、d 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 notations and relationship to the last previous issue. Custodians: Pr
19、eparing activity: Navy - SH DLA - CC DLA - CC (Project 5925-2013-003) 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 data base at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
