AS 62689.1:2022

AS 62689.1:2022 PDF

AS 62689.1:2022 identically adopts and modifies IEC 62689 1:2016, which defines the minimum requirements and consequent classification and tests for fault passage indicators and distribution substation units (including their current and/or voltage sensors), which are, respectively, a device or a device/combination of devices and/or functions able to detect faults and provide indications about their localization