A-A-55428 Fuseholder, Block, Class H, 30 Ampere, 600 V Ac, One, Two, And Three PoleThis commercial item description \(CID\) covers the general requirements for one, two, and three pole, 30 ampere, 600 V AC, type H fuseholder blocks. Fuseholders covered by this CID are intended for commercial/industrial applications.

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[INCH-POUND]

A-A-55428D

12 July 2012

SUPERSEDING

A-A-55428C

3 May 2007

COMMERCIAL ITEM DESCRIPTION

FUSEHOLDER, BLOCK, CLASS H, 30 AMPERE, 600 V AC,

ONE, TWO, AND THREE 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, 30 ampere, 600 V AC, type H fuseholder blocks. Fuseholders 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).

AA55428

001

CID

Dash number

number

(see table I)

3. SALIENT CHARACTERISTICS.

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 rating shall be 600 V ac maximum.

3.4 Interrupting rating. This class H fuseholder shall be used with class H fuses that 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 tugs or ring terminals.

b. Screw with pressure plate connector for use with solid or standard wire without terminal

(recommended where vibration will be a factor).

c. Box lug connector (the most durable). For use with all types of wire without terminal.

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 m ai l t o: Ci r cu i t Pr ot ect @d l a. m i l . Si n ce con t act i n f or m at i on

can ch an g e y ou m ay w an t t o v er i f y t h e cu r r en cy of t h e ad d r ess i n f or m at i on u si n g t h e

ASSI ST On l i n e d at ab ase at ht t p s: / / assi st . d l a. m i l .

AMSC N/A

FSC 5920