Contact Us
We stock and distribute EMC filters from well-known manufacturers and brands such as Schaffner and Schurter
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
E. Preston Electrical

EMC Filters

What is are EMC Filters?

An EMC or EMI filter is an electronic device used to reduce electromagnetic interference (EMI) in a power supply. It is typically used in power supplies, such as those found in computers, TVs and other electronic devices. The filter works by blocking the high-frequency noise generated by the power supply, allowing the device to operate more efficiently and with less interference.

What Do We Supply?

We supply an extensive range of EMC filters, including:
DC Filters
Single-Phase Filters
3-Phase Filters
IEC Inlet Filters and Modules
EMC/IEC Chokes
PCB Filters
Feedthrough Filters
Pulse Transformers

Why Choose E. Preston?

We stock and distribute EMC filters from well-known manufacturers and brands such as Schaffner and Schurter. The quality of their products is second to none, as is the quality of the service to you, the customer. We aim to provide next day delivery for product orders, and are happy to discuss flexible payment options too.

We have highly knowledgeable and experienced staff who are only a phone call away from answering any technical query you might have about any of our products.

Operating for over forty years, we have developed an excellent realationship with our suppliers which means that we get the widest choice of components from those suppliers, but we also alchieve good prices from them because of the volumes we purchase. We are able to pass on those great prices to you, the customer.

Our range of products, including EMC filters, is what sets us apart from our competition. You won’t need to to look anywhere else for your requirements.

We have a large stockholding of our products at our warehouse in Dukinfield, Cheshire in the UK. This stock means that our product availability is consistently high.
to place an order for EMC filters, or to receive technical assistance.

Featured Products

Manufacturers

News

January 12, 2026

Eaton Vehicle Controls Rocker Switches

Image

Flexible solutions for all your commercial vehicle switching needs

The vehicle controls portfolio at Eaton offers a broad range of solutions not only for on- and off-road vehicles, but also for commercial machine applications that require rugged, dependable switches. These products are at the heart of many systems, including heavy-duty trucks, construction and agriculture.

Eaton Mid Size Rockers

1500/2500, 1600/2600 Series:
Mid-sized rockers are most often found in appliance or industrial applications, but can also be used on vehicles. A value alternative that provides ratings up to 22A in both AC and DC applications with UL approval, the mid-size rocker is an affordable and reliable choice.

Eaton NGR Rockers

NGR Series (New Generation Rockers):
NGR series offers flexibility and modularity with removable lenses & rocker buttons, a wide variety of circuit, icon and LED choices, along with optional IP67 sealing. NGR carries ratings from 500mA to 20A to cover a variety of applications.

Eaton SVR Rockers

SVR Series (Sealed Vehicle Rockers):
The SVR series is designed to meet the rugged demands of construction and agriculture environments. They are rated from 500mA to 15A and IP68 sealed front and rear, with a variety of circuit, icon and LED choices.

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

MORE
January 9, 2026

Finder 72 Series Level Control Relays 16A

Image

72 Series Level Control Relays 16A

Finder 72 Series Pic

The 72 Series comprises level control relays for conductive liquids.

Function & Features (according to Type):

  • Sensitivity fixed or adjustable (5…150kΩ)
  • 35mm rail (EN 60715) mount

Applications:

  • Industrial Washing Machines
  • Swimming Pools
  • Control and Management of Water
  • Bottling Plant
  • Milk Processing Plant
  • Control Panels for Pumps

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

MORE
See all news
Privacy Policy
Website built and optimised by Miltec Digital

Get In Touch

Fill in your details to request a call from one of our sales representatives.
E Preston Contact Form
chevron-leftchevron-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram