Exhibit 23.1











                      Accountants' Consent



The Board of Directors
American Power Conversion Corporation:

We  consent  to  incorporation by reference in  the  registration
statement  of American Power Conversion Corporation on  Form  S-8
(File  Nos.  33-25873, 33-54416, 333-32563, 333-78595, 333-80541,
and 333-80569) of our report dated June 16, 1999, relating to the
statements  of  net  assets available for plan  benefits  of  the
American  Power Conversion Corporation 401(k) Plan as of December
31,  1998 and 1997, and the related statements of changes in  net
assets  available for plan benefits for the year  ended  December
31,  1998 and the period from May 1, 1997 (date of inception)  to
December 31, 1997, and the related supplementary schedules, which
report appears in the December 31, 1998 annual report on Form 11-
K of the American Power Conversion Corporation 401(k) Plan.






                                             /s/ KPMG LLP


Providence, Rhode Island
July 13, 1999