NF C44-470-3*NF EN 50470-3:2007 Electricity metering equipment (a.c.) - Part 3 : particular requirements - Static meters for active energy (class indexes A, B and C).
2007NF C44-470-3*NF EN 50470-3:2007 Electricity metering equipment (a.c.) - Part 3 : particular requirements - Static meters for active energy (class indexes A, B and C).