Electrical Appliance CE EMC Compliance Testing

atromagnetic compatibility (EMC) requirements of the European Union. Electromagnetic compatibility (EMC) refers to a device’s ability to operate normally in an electromagnetic environment without causing unacceptable electromagnetic interference to other devices.

The EU EMC Directive (Directive 2014/30/EU) applies to all equipment made available on the market or put into service. Equipment is defined as either "apparatus" or "fixed installations," each with its own set of rules.

1. Apparatus: Finished devices or combinations thereof made available as a single functional unit, capable of generating or being affected by electromagnetic disturbance.

2. Fixed installations: Combinations of multiple apparatus and other devices assembled and intended to be used permanently at a predefined location.

The EU EMC Directive does notapply to the following:

1. Equipment without any electrical and/or electronic components

2. Equipment covered by the EU Radio Equipment Directive (RED)

3. Aviation products

4. Amateur radio equipment (unless specifically exempted)

5. Equipment whose EMC requirements are more specifically defined by other Union legislation

6. Equipment inherently free from any EMC concerns

CE-emc testing Items

CE-emc testing consists of two main parts: EMI (Electromagnetic Interference)and EMS (Electromagnetic Susceptibility).

1. EMIrefers to electromagnetic noise generated by a device during operation, which may interfere with other systems.

2. EMSrefers to the device’s ability to resist electromagnetic interference from its environment during operation.

EMI (Electromagnetic Interference)

1. RE (Radiated Emission): Radiated disturbances

2. CE (Conducted Emission): Conducted disturbances

3. Radiated Electromagnetic Disturbances

4. Disturbance Power

5. Clicker: Click disturbances

EMS (Electromagnetic Susceptibility)

1. RS (Radiated Susceptibility)

2. CS (Conducted Susceptibility)

3. ESD (Electrostatic Discharge)

4. EFT (Electrical Fast Transient Burst)

5. SURGE: Lightning (Surge) Immunity

6. DIPS: Voltage Dips, Short Interruptions, and Voltage Variations

7. PFMF: Power Frequency Magnetic Field Immunity

ce-emc Testing Standards

CE-EMC testing complies with the following standards:

Emission Standards

1. EN 55011: Measurement methods and limits for radio-frequency disturbances from industrial, scientific, and medical equipment

2. en 55032: Electromagnetic compatibility of multimedia equipment – Emission requirements

3. EN IEC 55015: Measurement methods and limits for radio-frequency disturbances from lighting equipment

4. EN IEC 55014-1: EMC requirements for household appliances, electric tools, and similar apparatus – Part 1: Emission

Immunity Standards

1. EN 55035: EMC of information technology equipment, multimedia equipment, and receivers – Part 2: Immunity requirements

2. EN IEC 61547: Immunity requirements for lighting equipment

3. EN IEC 55014-2: EMC requirements for household appliances, electric tools, and similar apparatus – Part 2: Immunity

General Standards for Residential, Commercial & Light-Industrial Environments

1. EN iec 61000-6-3: Generic standards – Emission standard for residential environments

2. EN IEC 61000-6-1: Generic standards – Immunity for residential, commercial, and light-industrial environments

General Standards for Industrial Environments

1. EN IEC 61000-6-4: Generic standards – Emission standard for industrial environments

2. EN IEC 61000-6-2: Generic standards – Immunity for industrial environments

CE-EMC Application Process

1. Determine Product Scope

Identify which EMC directives and standards apply based on the product type.

2. Select Testing Standards

Determine the applicable EMC testing standards for the product.

3. Choose a Testing Laboratory

Select a qualified third-party testing lab (e.g., JJR LAB) to perform the EMC tests.

4. Submit Samples and Technical Documentation

Provide product samples and relevant technical documents (e.g., circuit diagrams, user manuals) for assessment.

5. Conduct Testing

The testing lab performs both emission and immunity tests according to EMC standards.

6. Obtain Test Report

Upon successful completion, the lab issues an EMC test report.

7. ce marking

After emc compliance is confirmed, the company may affix the ce mark on the product and prepare a Declaration of Conformity (DoC).