NF C44-053-23*NF EN IEC 62053-23:2021 Electricity metering equipment - Particular requirements - Part 23 : static meters for reactive energy (classes 2 and 3)
2021NF C44-053-23*NF EN IEC 62053-23:2021 Electricity metering equipment - Particular requirements - Part 23 : static meters for reactive energy (classes 2 and 3)