[INCH-POUND]
A-A-55494D
17 February 2011
SUPERSEDING
A-A-55494C
6 July 2006
COMMERCIAL ITEM DESCRIPTION
FUSE CARTRIDGE, SEMICONDUCTOR TYPE, 250 VOLTS
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 250 volt
semiconductor type fuse cartridges. Fuse cartridges covered by this CID 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).
-
001
AA55494
CID PIN
Dash number
(see table I)
3. SALIENT CHARACTERISTICS.
3.1 Interface and physical dimensions. Fuse cartridges supplied to this CID shall be as specified herein
(see figure 1 and figure 2).
3.2. Ampere rating. The ampere rating shall be as specified in table I.
3.3 Voltage rating. The voltage rating shall be 250 V ac maximum.
3.4 Short circuit interrupt rating. The short circuit interrupt shall be 200,000 amperes root mean square
(RMS) symmetrical.
3.5 Maximum current clearing I2t. The maximum current clearing I2t shall be as specified in table I.
3.6 Marking. Fuse cartridges supplied to this CID shall be marked with the manufacturer's (MFR's)
standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.)
Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data that may
improve this document should be sent to: DLA Land and Maritime, ATTN: DLA Land and Maritime-VAT,
P.O. Box 3990, Columbus, OH 43218-3990, or email mailto:CircuitProtect@dscc.dla.mil. Since contact
information can change you may want to verify the currency of the address information using the ASSIST
Online database at https://assist.daps.dla.mil.
AMSC N/A
FSC 5920
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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