Schaffner EMC, Inc.

- Schaffner is the international leader in the fields of electromagnetic compatibility and power quality, supplying components that support the efficient and reliable use of electric energy. Customers benefit from the technological know-how of the Schaffner Group in the development, manufacturing and marketing of high-performance products that offer optimized and fault-free operation and compliance with all major quality and performance standards.


FN2000 series of Chassis Mount Filters


FN2000 series single-phase filters provide an extremely cost-effective solution for a wide range of general-purpose filtering requirements. Learn More

FN9280 & FN9290 Series

Schaffner's FN9280 & FN9290 Series

Choosing FN 9280/90 product line brings you the rapid availability of an EMC/EMI standard filter associated with the necessary safety acceptances and a high attenuation performance. Learn More

IEC Lock +

Image of Schaffner's IEC Lock+

The IEC Lock + has been designed to be implemented in areas where access is limited and ease of removal is of paramount importance. The release mechanism differentiates the product from other leads. Learn More

Featured Products

Image of Schaffner's FN9260 Series Power Entry Modules

FN9260 Series Power Entry Modules

Schaffner's FN9260 power entry module combines an IEC inlet, mains filter with excellent filter attenuation and fuses in a small form factor. Learn More

Image of Schaffner's Three-Phase Filters

Three-Phase Filters

Shaffner offers many three-phase filters; including FN258, FN351, FN3025/3026, FN3258, FN3270, FN3359 series. Learn More

Newest Products View All (21)

RFI Suppression Chokes Publish Date: 2009-07-07

Schaffner offers the RN series and EV/EH series of RFI suppression chokes.

FN9233E Series IEC Choke Publish Date: 2009-07-07

The FN9233E offers exceptional conducted attenuation performance with inductors based on a high saturation resistance and excellent thermal behavior.

IEC Inlet Filter Series FN9233 Publish Date: 2009-07-07

The FN9233 filter from Schaffner was developed for devices and switching power supply units that require a high level of interference suppression.

FN2200 Series EMC/EMI Filters Publish Date: 2010-08-26

Schaffner's FN2200 series standard filters are designed for use with photovoltaic (PV) inverters.

FN9244 IEC Inlet Filter Series Publish Date: 2012-06-29

Schaffner FN9244 product line brings the rapid availability of a standard filter with the necessary safety approvals.

RB Series EMC/EMI Chokes Publish Date: 2012-06-29

Schaffner's RB series of common-mode chokes are used to suppress EMI noise in PCB integrated filter designs with power lines up to 600 VAC or 1000 VDC.

Tools and Support

Image of Schaffner's EMC/EMI Short Form Catalog

EMC/EMI Short Form Catalog

Schaffner’s easy selection guide to the world’s broadest selection of EMC/EMI filters and chokes by product category or market. Learn More

Image of Schaffner's Design of Your EMI Filter

Have You Considered Everything in the Design of Your EMI Filter?

With the growing popularity of electronic devices, the demand for regulation has created a vast array of standards and conformity procedures. Learn More

Image of Schaffner's The Need For EMI Filtering in Electrical Energy Facilities

The Need For EMI Filtering in Electrical Energy Facilities

Today, electric utilities are facing an unprecedented challenge. There is, of course, the usual need for reliability, but also there is the increased demand to pay attention to environmental concerns and reducing carbon emissions. Learn More

Image of Schaffner's The Need For EMI Filtering in Medical Devices

The Need For EMI Filtering in Medical Devices

In today’s society, medical devices can usually be found in the forefront of incorporating new technologies. Regulatory agency requirements dictate that not only conducted and radiated emissions be constrained below specified limits, but that the unit must also pass immunity/transient requirements as well. Learn More

Image of Schaffner's The Need For EMI Filtering with Factory Automation

The Need For EMI Filtering with Factory Automation

Increased electromagnetic interference, or EMI, can adversely affect system efficiency and increase downtime by interfering with analog control signals and industrial communications between devices/systems. So, as inter- and intra-communication networks expand on the factory floor, adequate electromagnetic compatibility or EMC design objectives need to be addressed. Learn More

Image of Schaffner's Engineer’s Guide to Designing Your EMI Filter

The Engineer’s Guide to Designing Your EMI Filter

To start at the very beginning, what is an electrical filter? It is a device usually composed of discrete components which can be placed between circuits, networks, or equipment/ systems to either emphasize, de-emphasize or control the frequency components of a desired or undesired signal. Learn More

Recent PTMs View All (11)

Renewable Resources Filters/Inverters Publish Date: 2012-01-18

Schaffner‘s line filter/inverter products for photovoltaic conversion applications and the advantages of using them in a renewable resource power system.

Duration: 5 minutes
FN9244 IEC Inlet Filters Publish Date: 2012-01-18

The FN9244 IEC inlet filter combines an IEC inlet and mains filter to provide high attenuation performance and thermal behavior.

Duration: 5 minutes
FN9260 Series Introduction Publish Date: 2015-09-23

FN9260/FN261 series IEC inlet filters with double or single fuse options

Duration: 5 minutes
FN221x Series of Compact DC High Power Filters for PV Applications Publish Date: 2016-04-13

FN221x series are designed with space in mind and optimized performance for Photo Voltaic applications.

Duration: 5 minutes

Featured Videos View All (12)


Corporate Overview

Schaffner Group: Current Compensated chokes

SCHAFFNER Group has added the RB series to its product program of current-compensated chokes. The chokes are available as one- and three-phase designs in horizontal and vertical construction for currents from 16 to 50A.

Schaffner Group: FN9280 and FN9290

The FN 9280/90 power entry module combines an IEC inlet, a mains filter and a dual fuse holder with a 2-pole rocker switch in a compact housing. A wide selection of amp ratings, mounting options and also filters for medical applications are designed.

Schaffner Group: ECOsine

Schaffner ECOsine passive harmonic filters represent an economical solution to the challenge of load-applied harmonics mitigation in three-phase power systems.

Additional Content

Technical Information

Additional Links

Manufacturer Web site