Grid connection & inverters

IEC 62109 (Parts 1 & 2)

Safety of power converters for use in photovoltaic power systems: electrical safety of the inverter as a product.

Sources listedReviewed July 2026Source: IECOur methodology

Ask Watt about IEC 62109 (Parts 1 & 2)

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What does IEC 62109 (Parts 1 & 2) cover?When does IEC 62109 (Parts 1 & 2) apply on a job?How does IEC 62109 (Parts 1 & 2) relate to the other standards?

Applies to

Inverter product-level electrical safety.

Published by

IEC

Obtain the standard

How it meets the others

Product standard behind itAS/NZS 4777.2Inverter product safety sits behind the inverter requirements applied at grid connection.

This page explains what IEC 62109 (Parts 1 & 2) covers and where it sits against the other standards. It does not reproduce the standard, and it is not a substitute for it. For the requirements themselves, work from the current published edition, available from the IEC Webstore. Compliance is determined by a licensed professional working to the current edition.