Harmonic Current Emissions Test Standard in accordance with IEC 61000-3-12

IEC 61000-3-12 deals with the limitation of harmonic currents injected into the public supply system. The limits given in this International Standard are applicable to electrical and electronic equipment with a rated input current exceeding 16 A and intended for connection to public low-voltage ac distribution systems of the following types, up to and including 75 A per phase:
Rated voltage up to 240 V, single-phase, two- or three-wire;
rated voltage up to 690 V, three-phase, three- or four-wire;

Nominal frequency 50 Hz or 60 Hz. Other distribution systems are excluded. The limits given in this edition apply to equipment when connected to 230/400 V, 50 Hz systems. This standard applies to equipment intended to be connected to low voltage systems that interface with a public supply at a low voltage level. It does not apply to equipment intended to be connected to private low-voltage systems that interface with public supply only at medium or high voltage level.

This standard defines:

Requirements and emission limits for equipment;
Methods for type tests and simulations.

Tests according to this International Standard are type tests of complete equipment parts. Compliance with this standard can also be determined by validated simulations.

EUROLAB provides IEC 61000-3-12 test services to businesses within the scope of harmonic current emissions tests.