-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Pk0KSp8qOlxJbR0rM9ZZwkq6huri9ZuCL03hbmXOpKdhvNBhWoCFNNiOHjdj7u3c
 o9AHuh5I4pgvaPOoqS/KGw==

<SEC-DOCUMENT>0001072613-05-001618.txt : 20050630
<SEC-HEADER>0001072613-05-001618.hdr.sgml : 20050630
<ACCEPTANCE-DATETIME>20050630164130
ACCESSION NUMBER:		0001072613-05-001618
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050630
FILED AS OF DATE:		20050630
DATE AS OF CHANGE:		20050630

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KASSAKIAN JOHN G
		CENTRAL INDEX KEY:			0001013830

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12432
		FILM NUMBER:		05928962

	BUSINESS ADDRESS:	
		STREET 1:		7300 BOONE AVENUE NORTH
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55428-1028
		BUSINESS PHONE:		6124931920

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN POWER CONVERSION CORPORATION
		CENTRAL INDEX KEY:			0000835910
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		IRS NUMBER:				042722013
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		132 FAIRGROUNDS RD
		CITY:			WEST KINGSTON
		STATE:			RI
		ZIP:			02892
		BUSINESS PHONE:		4017895735

	MAIL ADDRESS:	
		STREET 1:		132 FAIRGROUNDS ROAD
		CITY:			WEST KINGSTON
		STATE:			RI
		ZIP:			02892
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>kassakian_13639ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000835910</issuerCik>
        <issuerName>AMERICAN POWER CONVERSION CORPORATION</issuerName>
        <issuerTradingSymbol>APCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001013830</rptOwnerCik>
            <rptOwnerName>KASSAKIAN JOHN G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MASSACHUSETTS INSTITUTE OF</rptOwnerStreet1>
            <rptOwnerStreet2>TECHNOLOGY, ROOM 10-172</rptOwnerStreet2>
            <rptOwnerCity>CAMBRIDGE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02139</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12165</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities awarded on June 30, 2005 are in the form of restricted stock units (RSUs) issued automatically to non-employee
 directors pursuant to the American Power Conversion Corporation 2004 Long-Term Incentive Plan that entitle the reporting
 person to receive one (1) share of common stock per RSU.  The restricted stock units will vest, and the underlying common
 stock issue,  ratably over four years.   The first tranche of shares will vest on June 30, 2006, with an equal number of
 shares vesting on June 30, 2007,  June 30, 2008 and June 30, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John G. Kassakian</signatureName>
        <signatureDate>2005-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----