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IEC 62040-1
Edition 2.0 2021-05
INTERNATIONAL
STANDARD
AMENDMENT 1
Uninterruptible power systems (UPS) –
Part 1: Safety requirements
IEC 62040-1:2017-07/AMD1:2021-05(en)
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IEC 62040-1
Edition 2.0 2021-05
INTERNATIONAL
STANDARD
AMENDMENT 1
Uninterruptible power systems (UPS) –
Part 1: Safety requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.200 ISBN 978-2-8322-9792-6
– 2 – IEC 62040-1:2017/AMD1:2021
IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
UNINTERRUPTIBLE POWER SYSTEMS (UPS) –
Part 1: Safety requirements
AMENDMENT 1
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreemen
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