IEC 61000-3-2:2018

Electromagnetic compatibility - Limits - Limits for harmonic current emissions (≤16 A per phase)

📅 Issue date：— 🔄 Effective date：— 🌍 Type：International standard

📑 Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements

01 Scope

Specifies limits for harmonic currents injected into the public low-voltage supply by equipment with input current ≤16 A per phase, managed by class A/B/C/D.

02 Normative references

IEC 61000-4 series

03 Terms and definitions

Performance criteria

A/B/C by degree of functional preservation.

04 Technical requirements

Class A

2nd 1.08 A, 3rd 2.30 A, 5th 1.14 A, 7th 0.77 A, etc. (2~16 A input).

Class C (lighting)

Expressed as % of fundamental, e.g. 3rd ≤30%×λ.

Class D

IT equipment with specified waveform, ≤600 W, in mA/W.

📎 Related standards

Disclaimer：This page is a technical summary of the corresponding standard for quick reference. All limits, clauses and methods are subject to the official publication and its latest amendments; formal compliance assessment must refer to the official issued text.