Electricity metering equipment (AC) – General requirements, tests and test conditions – Part 11: Metering equipment

Electricity metering equipment (a.c.)- Particular requirements – Part 22: Static meters for active energy

(classes 0,2 S and 0,5 S)

Electricity metering equipment (a.c.). Particular requirements. Static meters for reactive energy (classes 2 and 3)

Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 1:

General Requirements

Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for harmonic current emissions

(equipment input current ≤ 16 A per phase)

Electromagnetic compatibility (EMC) – Part 3-3: Limits -Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤16 A per phase and not subject to conditional connection