EMI & RFI Filters

Reduce Electromagnetic Interference

Enerdoor, Inc. is a worldwide company that specializes in the production of high attenuation, anti-interference filters that solve electromagnetic interference problems in Industrial, telecommunication, military, medical, Information technology, and consumer applications. Our filters help you comply with the EU standards required by CE for machinery sold into the European market.

Power Line Filters

ENERDOOR has single phase, three phase, three phase plus neutral and parallel filters from 1-2500amps. ENERDOOR specializes in three phase parallel filters, designed to reduce interference without a costly change-out of existing filters.

Reactor, Harmonic Filter, MRI Filter

We've taken our expertise with EMI/RFI filters and expanded our technology into new areas and applications, incluing MRI and Military applications.  Enerdoor manufactures line and load reactors, Harmonic and Sinusoidal filters, and High frequency inductors for special applications using an Electromagnetic motor spindle.

Electromagnetic Solutions

The Enerdoor Lab can work with your engineering department and develop customized filters, even in small quantities. Enerdoor is one of the few manufacturers in the world that is able to supply filters which conform to the new short circuit current rating (SCCR) request of the UL508A for control panels.

Support, Testing & Training

Enerdoor can provide to customers and distributors the proper technical training, technical support, catalogs, literature, basic product education, and electronic files for design, qualifications and approvals. Enerdoor can also provide, at the customers request, competent and qualified EMI/RFI tests, using Enerdoor's EMI and RFI testing equipment.

3-phase RFI Filters - Reduce EMI and EMC Interference
Play Enerdoor Video About Enerdoor
EMC Test Demonstration

English | Deutsch | Español


ENERDOOR, INC. - 75 Industrial Way - Portland, ME 04103

Toll Free: 877-778-2875 | Phone: 207-210-6511 | Fax: 207-210-6512

German Office
Enerdoor GmbHGraf- Otto-Hartmann-Str. 8, 36110 Schlitz, Deutschland
+49 (0) 6642 223 692 (Büro) bzw. +49 (0) 6642 223 558 (Fax)

Switzerland Office
ENERDOOR SA - Via Carlo Frasca, 3 - P.O. Box 6124 - 6901 Lugano
Tel. 0041 (0) 919228060 | Fax 0041 (0) 919228061

Web Site Design and Hosting by Saco Design | Powered by Site Avenger CMS