DLA A-A-55168 D-2012 FUSEHOLDER BLOCK CLASS H 30 AMPERE 250 V AC ONE TWO AND THREE POLE.pdf
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1、Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data that may improve this document should be sent to: DLA Land and Maritime, ATTN: VAT, P.O. Box 3990, Columbus, OH 43218-3990, or email mailto:CircuitProtectdla.mil. Since contact information can change you m
2、ay want to verify the currency of the address information using the ASSIST Online database at https:/assist.dla.mil. AMSC N/A FSC 5920 INCH-POUND A-A-55168D 14 July 2012 SUPERSEDING A-A-55168C 3 May 2007 COMMERCIAL ITEM DESCRIPTION FUSEHOLDER, BLOCK, CLASS H, 30 AMPERE, 250 V AC, ONE, TWO, AND THREE
3、 POLE The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers the general requirements for one, two, and three pole, class H type fuseholder blocks. Fuseholders covered by this CI
4、D are intended for commercial/industrial applications. 2. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID uses a classification system which is included in the PIN as shown in the following example (see 7.1). AA55168 - 001 CID number Dash number (see table I) 3. SALIENT CHARACTERISTICS.
5、 3.1 Interface and physical dimensions. Fuseholders supplied to this CID shall be as specified herein and shall meet the requirements of UL 4248-1 and UL 4248-6 for class H fuseholders (see figure 1). 3.2. Ampere rating. The ampere rating shall be 30 amperes maximum. 3.3 Voltage rating. The voltage
6、rating shall be 250 V ac maximum. 3.4 Interrupting rating. This class H fuseholder shall be used with class H fuses which have an interrupting rating of 10,000 amperes maximum. 3.5 Wire termination. Wire termination shall be specified on figure 2 and as follows: a. Screw connector for use with spade
7、 tugs or ring terminals. b. Screw with pressure plate connector for use with solid or standard wire without terminal. c. Box lug connector (the most durable). For use with all types of wire without terminal. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
8、S-,-,-A-A-55168D 2 FIGURE 1. Configuration and dimensions.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55168D 3 NOTES: 1. Dimensions are in inches. 2. Tolerance is .005 inch (0.13 mm), unless otherwise specified. FIGURE 1. Configuration and di
9、mensions - Continued. FIGURE 2. Wire termination configurations.Inches mm Inches mm .171 4.36 1.25 31.75 .218 5.53 .265 32.14 .250 6.35 .406 35.71 .406 10.31 .515 38.49 .50 12.7 .906 48.41 .546 13.89 .046 51.99 .750 19.05 2.50 63.5 .953 24.20 3.00 76.2 1.093 27.78 .031 76.98 Provided by IHSNot for R
10、esaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55168D 4 TABLE I. Characteristics. AA55168- Characteristics 001 1 pole with screw connectors. 002 1 pole with screw connectors. Fuse clips with reinforcing springs. 003 1 pole with screws with pressure plate connectors. 00
11、4 1 pole, screws with pressure plate connectors. Fuse clips with reinforcing springs. 005 1 pole with box lug connectors. 006 1 pole with box lug connectors. Fuse clips with reinforcing springs. 007 2 pole with screw connectors. 008 2 pole with screw connectors. Fuse clips with reinforcing springs.
12、009 2 pole, screws with pressure plate connectors. 010 2 pole, screws with pressure plate connectors. Fuse clips with reinforcing springs. 011 2 pole, screws with pressure plate connectors. 012 2 pole with box lug connectors. Fuse clip with reinforcing springs. 013 3 pole with screw connectors. 014
13、3 pole with screw connectors. Fuse clips with reinforcing springs. 015 3 pole, screws with pressure plate connectors. 016 3 pole, screw with pressure plate connectors. Fuse clips with reinforcing springs. 017 3 pole with box lug connectors. 018 3 pole with box lug connectors. Fuse clips with reinfor
14、cing springs. 3.6 Wire size. The maximum wire size shall be #10 CU for screw connectors and screw with pressure plate connectors and #2 CU-AL for box lug connectors. 3.7 Reinforcing spring. Reinforcing springs are used for reinforcement of the fuse clip. Spring reinforced fuse clips are recommended
15、if frequent fuse replacement is expected. 3.8 Fuse accomodation. This fuseholder accepts class H fuses with dimensions of 0.562 inch x 2.00 inches (14.28 mm x 50.8 mm). 3.9 Marking. Fuseholders supplied to this CID shall be marked with the manufacturers (MFRs) standard commercial PIN and the UL list
16、ing mark. (NOTE: The part number marked on the unit pack shall be the CID PIN.) 3.10 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds th
17、e operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.11 Workmanship. Fuseholders shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. REGULATORY
18、REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5516
19、8D 5 5. PRODUCT CONFORMANCE PROVISIONS. 5.1 Product conformance. The products provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial mar
20、ket. The Government reserves the right to require proof of such conformance. 5.2 Market acceptance. The following market acceptance criteria are necessary to document the quality of the product to be provided under this CID: a. The company producing the item must have been producing a product meetin
21、g the requirements of this CID for at least 2 years. b. The company producing the item must have sold 1,000 units meeting this CID in the commercial marketplace over the past 2 years. 6. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order. 7. NOTES. 7.1 PIN.
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