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We stock and distribute EMC filters from well-known manufacturers and brands such as Schaffner and Schurter
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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

July 3, 2026

Schurter Series: 4750 Strip Block for Snap-in Mounting

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4750 Strip Block for Snap-in Mounting with up to 7 IEC Appliance Outlets F

Shurter

The Schurter 4750 Series is a configurable, snap-in mounting strip block designed for high-density intelligent Power Distribution Units (PDUs) and data center equipment. It compactly houses 2 to 7 IEC Appliance Outlets (Type F) and eliminates the need for external LEDs by integrating optional light pipes for status indication.

Description:

  • Panel mount
  • Snap-in version front side (1.2 / 1.5 / 1.7 mm)
  • Configurable Strip block from 2 up to 7 outlets type F
  • Cord retention for cordsets with V-Lock, Twylock or P-Lock
  • Pre-assembled Light Pipe for status indication
  • Solder / PCB / QC (4.8 / 6.3 x 0.8) mm

Key Features:

  • Configurable Bus bar (L, N, PE)
  • Optionally with or without light pipes on L or N side
  • Color coding in black (grey and white upon request)
  • Solder / PCB / QC (4.8 / 6.3 x 0.8 mm)

Characteristics:

  • Compact solution for intelligent PDU applications
  • 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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July 2, 2026

Finder 77 Series: Modular Solid State Relays (SSR) 5-15-30A

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77 Series: Modular Solid State Relays (SSR) 5-15-30A

Finder 77 Series

The 77 Series is made up of modular and “hocky puck” style solid state relays

Functions & Features (according to Type):

  • Input AC or DC
  • 230V AC or 400V AC output
  • Rated voltage range (19…305)V AC or (48…480)V AC
  • Zero-crossing and random switch-on versions
  • Suitable for lamp loads
  • 17.5 and 22.5 mm housing

Features (“hockey puck”):

  • Input AC or DC
  • 230 V AC or 400 V AC output
  • Switching voltage range (19…305) V AC or (48…480) V AC
  • Suggested applications: heater control
  • Mounting to heatsink with screws
  • Zero-crossing version

Applications:

  • Drying kilns
  • Heating and cooling
  • Lighting control in corridors (for hotels, offices and hospitals)
  • Bottling plant
  • Labelling machines
  • Packaging machines

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

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

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