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Official distributor and wholesaler of relays from brands such as Crouzet, Crydom and Finder
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
Over 40 Years Experience
E. Preston Electrical

Relays

What is a Relay?

Relays are electrically operated switches that open and close circuits receiving electrical signals from external sources. The relays built into electrical products work in a similar way; they receive an electrical signal and send the signal to other equipment by turning the switch on and off. The three main functions of relays are to allow a small amount of electrical current to control high current loads, send different types of electrical signals, and drive multiple outputs with just one input.

What Do We Supply?

We have a broad range of relays in stock, including:
Modular step relays
Monostable relays
Ultra-slim PCB relays
Relay interface modules
Miniature PCB/plug-in relays
Low profile PCB relays
Miniature industrial relays
Safety relays
Power relays
Miniature power relays
Solid State relays
Relay bases
Coil indication
EMC protection

Why Choose E. Preston?

We are an official distributor and wholesaler of relays from brands such as Crouzet, Crydom and Finder. These are well known companies in their fields with excellent reputations for the quality of their products.

What really sets us aside from our competition is our choice and range of relays – you really don’t need to look anywhere else for your requirements.

As we have been operating for over forty years, we have developed a fantastic relationship with our suppliers. This benefits us in two main ways: We gain access to the widest choice of components from those suppliers, and secondly, they sell us those components at competitive prices because we purchase such significant volumes. We are able to pass on those competitive prices to you, our customer.

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, and we can get your order for stock items out to you in a 24 to 48 hour time frame.
and we can talk through your specific relay requirements.

Featured Products

Manufacturers

News

January 22, 2026

Schurter ARO: Inline Fuse

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Schurter ARO - Compact. Robust. Reliable.

Schurter ARO Pic

ARO: Inline Fuse for High-Voltage Applications

  • Rated voltage: 250 VAC
  • Rated currents: 16 A, 32 A, and 63 A – additional options
    on request
  • Breaking capacity: 50 kA
  • Ceramic tube with silver-plated copper alloy terminals
  • Fulfis GB/T13539.4, IEC60269-4, UL248
  • CCC, CE and RoHS compliant

Safety and reliability are the key for high voltage applications. The new ARO fuses from Schurter provide robust protection for HV applications. Designed as an inline fuse, ARO integrates seamlessly into charging cables and connectors. It also meeting the latest international safety standards.

Ideal for EV charging cables and plugs, vehicle accessory lighting, general wiring protection, power generation and transmission, and telecommunications.

Economic design and flexible customization make ARO the perfect choice for high-performance applications like EV charging systems. Available in standard versions or tailored to customer specifications.

Schurter ARO Applications

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

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

MORE
January 20, 2026

Sensata / Crydom CKM Series (DIN Rail Mount DC Output) Solid State Relays

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22.5mm wide SSRs with ratings from 10 to 30 Amps at 60 VDC. 4-32 VDC control voltage

Crydom CKM

The CKM Series is a family of 22.5mm wide DIN Rail Mount
Solid State Relays with ratings from 10 to 30 Amps at 60 VDC.

Their low leakage MOSFET output provides added reliability in
commercial and heavy industrial applications.

Features:

  • Slim 22.5mm (width) package
  • Flexible Control Voltage: 4-32 VDC
  • LED input status indicator

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

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

MORE
See all news
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UK distributor of electrical and electronic components.

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