[INCH-POUND]
A-A-55518/3C
17 March 2011
SUPERSEDING
A-A-55518/3B
22 June 2006
COMMERCIAL ITEM DESCRIPTION
SPECIFICATION SHEET
FUSEHOLDER, BLOCK, 30 AMPERES (A), 250 VOLTS (V) AC, 1 THROUGH
12 POLE, ACCOMMODATES 4AG OR 4AB TYPE FUSE CARTRIDGES
The General Services Administration has authorized the use of this
commercial item description for all federal agencies.
The complete requirements for procuring the fuseholder blocks described herein shall consist of this
document and the issue in effect of A-A-55518.
CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This commercial item description (CID)
specification sheet uses a classification system which is included in the PIN as shown in the following
example (see NOTES).
AA55518
/03
-
001
Dash number
CID number
Applicable
CID specification
sheet (two
digits)
SALIENT CHARACTERISTICS.
Interface and physical dimensions. Fuseholder blocks supplied to this CID specification sheet shall be as
specified herein (see figure 1).
Ampere rating. The ampere rating shall be 30 A maximum.
Voltage rating. The voltage rating shall be 250 V ac maximum.
Fuse accommodation. This fuseholder block accommodates 4AG or 4AB type fuse cartridges with
dimensions of .281 inch x 1.25 inch (7.14 mm x 31.75 mm).
Fuseholder block base. The fuseholder block base shall be molded or laminated plastic.
Fuse clips. This fuseholder block shall be supplied with Commercial Item Description (CID) number
AA55507/01-02 fuse clips.
AMSC N/A
FSC 5920