IEC 60152:2021
Designation of phase differences by hour numbers in three-phase AC systems

Standard No.

IEC 60152:2021

Release Date

2021

Published By

International Electrotechnical Commission (IEC)

Latest

IEC 60152:2021

Replace By

IEC 60152:1963 IEC 3/1490/FDIS:2021

Scope

This document specifies methods and rules for the designation of phase difference between two items in a three-phase AC system. The designations are intended to be applied in the technical documentation of industrial installations, equipment, and products, and also on markings of

IEC 60152:2021 history

• 2021 IEC 60152:2021 Designation of phase differences by hour numbers in three-phase AC systems
• 1963 IEC 60152:1963 Identification by hour numbers of the phase conductors of 3-phase electric systems