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EMI Appliance Filter Testing and Certification Services

Helping you achieve accelerated market access by bundling certifications for UL Solutions, CSA and IEC/EN standards.

Digital spectrum analyzer

With an increase in demand for technologically advanced electronic devices, the need for electromagnetic interference (EMI) filtering products is growing. Manufacturers from around the world incorporate EMI filters to minimize EMIs, which can lead to device failures and subsequent losses. As such, global market access for filters requires compliance with international standards.

With combined testing of EMI appliance filters, UL Solutions can speed up your time to market by bundling certifications for UL Solutions, CSA and IEC/EN standards. This streamlined and accelerated process saves time and money through a well-proven global certification program. Our proven expertise in safety science and engineering enables us to service the entire EMI filter industry. Our flexible service portfolio covers research and development, Global Market Access, installation and end use.

Our proven expertise in safety science and engineering enables us to service the entire EMI filter industry. Our flexible service portfolio covers research and development, Global Market Access, installation and end use.

Services

EMI appliance filters are intended to be factory-installed as a component part of end-use appliances or equipment. Appliance filters are evaluated to IEC/EN 60939-3/UL 60939-3/ CSA C22.2 No. 8 for compliance and safety. Appliance filters for the U.S., Canada and international markets can be submitted for a combined evaluation for the UL Certified Mark (UL/C-UL) and ENEC Mark:

  • UL 60939-3, the Standard for Passive Filter Units for Electromagnetic Interference Suppression - Part 3: Passive Filter Units for Which Safety Tests are Appropriate, for appliance filters (up to 1,000 V AC and 1,500 V DC) is harmonized with IEC 60939-3. Typical DC filters are photovoltaic (PV) filters used within inverters and converters.
  • CSA C22.2 No. 8 is the Canadian EMI filter standard.
  • EN 60939-3 is the Europe Appliance filter standard, and UL Solutions issues the ENEC Mark to access the European market.
  • UL 60939-3 is for appliance filters — up to 1,000 V AC and 1,500 V DC — and is harmonized with IEC 60939-3.

Areas of expertise

EMI appliance filters for global markets

These products cover EMI filters factory installed in equipment connected to 1,000 V, 50 - 60 Hz or 1,500 V DC or lower potential circuits, and installed in accordance with ANSI/NFPA 70, National Electrical Code (NEC). These filters consist of capacitors and inductors used alone or in combination with each other and may be provided with resistors.

Field-wired facility filters for U.S. and Canada

EMI filters intended to be permanently wired to the branch circuit can be evaluated to UL 1283, the Standard for Electromagnetic Interference Filters, and CSA C22.2 No. 8. Speed up your time to market by bundling certifications for U.S. and Canada that results in a UL Certified Mark (UL/C-UL). This streamlined and accelerated process saves time and money through a well-proven global certification program.

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EMI Appliance Filters for Global Markets

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