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We stock thousands of circuit protection products for a broad range of applications from quality brands such as ABB, Bulgin, Bussman, E-T-A, Littelfuse, Schaffner and Schurter
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Over 40 Years Experience
E. Preston Electrical

Circuit Protection

What is a Circuit Protection device?

A circuit protection device is a fail-safe device that originates a disruption in an electrical circuit when it recognizes an excess and unsafe power load in a circuit. The main aims of circuit protection are to localise and isolate the situation or fault and avert and minimize any unnecessary power loss.

What Do We Supply?

We have broad selection of circuit protection devices, including:
Circuit breakers
Thermal circuit breakers
Thermal-magnetic circuit breakers
Magnetic circuit breakers
Hydraulic-magnetic circuit breakers
Fuses
LV fuse links
LV fusegear

Why Choose E. Preston?

Established in 1980, we offer customer service that is second to none. This is one primary factor behind the growth in business we have experienced over the past forty two years. We have expert knowledgeable staff who are always on hand to answer any technical questions you might have about our products – they are just a phone call away.

The second main reason behind the company’s growth is the sheer depth in our products. We stock, or have access to, thousands of circuit protection products for a broad range of applications. The quality brands that we deal with include ABB, Bulgin, Bussman, E-T-A, Littelfuse, Schaffner and Schurter. You don’t have to search anywhere else for your needs.

In addition, we will do our very best to make sure that you receive your order next day, as long as you order in time, and if required, and we can offer flexible payment terms.
to place an order or speak to our technical team about circuit protection devices.

Featured Products

Manufacturers

News

October 28, 2025

Finder 50 Series Forcibly Guided Contacts Relays 8A

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50 Series Forcibly Guided Contacts Relays 8A

Finder 50 series

The 50 Series comprises relays which include the following features (according to Type)

Function & Features:

  • 2 Pole changeover contacts
  • PCB Relay with forcibly guided contacts according
    to EN 50205 type B
  • High physical separation between adjacent contacts
  • 8 mm, 6 kV (1.2/50 μs) isolation, coil-contacts
  • Flux proof: RT II

Applications:

  • Escalators
  • Hoists and Cranes
  • Carousel Warehouses
  • Medical and Dentistry
  • Hospitals
  • Elevators and Lifts
  • Disabled Lift

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

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

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October 24, 2025

Crouzet Industrial Timers

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Crouzet Offers a Comprehensive Range of Timing Solutions

Crouzet timers1

With a rich history as a specialist in Timers for more than 50 years, Crouzet offers a comprehensive range of timing solutions designed to meet various industrial and automation needs. Our portfolio includes both digital and analog timers, suitable for DIN-rail and plug-in installations, as well as front-panel mounting.

In addition to our standard timers, we provide specialized solutions such as pneumatic timers, which are ideal for applications with a risk of fire, and hermetically sealed timer relays, designed for extreme environments such as trains, airplanes, and even outer space.

Features & Benefits

Crouzet timers3
Crouzet timers2

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

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

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