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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

June 29, 2026

Schurter Series: FMAD NEO Power Line Filter

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FMAD NEO, 1-Stage Filter for 3-Phase Systems

Schurter FMAD NEO

The FMAD NEO is a highly compact, single-stage EMC/EMI power line filter designed for 3-phase systems with a neutral line. Manufactured by Schurter, it provides high-efficiency noise suppression for industrial machinery and electronic equipment where control cabinet space is strictly limited.

Description:

  • Terminals for three phases, neutral conductor and ground
  • 1 stage
  • Very high attenuation
  • Industrial or low leakage current versions

Key Features

  • Compact Footprint: Features a nearly cubed shape, making it ideal for the space constraints of modern 3-phase control cabinets.
  • High Attenuation: Delivers excellent noise suppression relative to its small size and weight.
  • Machine Safety Compliant: Certain variants comply with the IEC 60204-1 machine safety standard, featuring quick capacitor discharge times (residual voltage < 60 V within 1–2 seconds) and insulation resistance of at least 1 MΩ.
  • Wide Temperature Range: Operates effectively in harsh climatic conditions, ranging from -40°C to +100°C.

Applications:

  • Voltage rating 520 VAC for world wide acceptance
  • Protection against interference voltage from the mains
  • Especially designed for industrial applications such as: Frequency Converters, Stepper Motor Drives, UPS-Systems, Inverters
  • Variants Machine Safety suitable for machine applications according to IEC 60204-1
  • Suitable for use in equipment according to IEC/UL 62368-1

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

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

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June 16, 2026

Sensata / Crydom ASO Series (PCB Mount AC Output) Solid State Relays

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Mini SIP Style SSRs with ratings up to 2 Amps at 12-280 VAC

Crydom ASO

The ASO Series is a family of PCB Mount
Mini SIP Solid State Relays with ratings
up to 2 Amps at 12-280 VAC.

Features:

  • Back-to-back SCR output
  • 4-10 VDC control
  • Zero voltage (resistive loads) or instantaneous (inductive loads) turn-on output

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

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

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