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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

May 30, 2025

Bulgin Switch Range

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Bulgin switch range

With an extensive range of Push Button, Vandal Resistant, Piezo, Slide, Toggle and Rocker switches available, Bulgin & Arcolectric’s switch range is designed to meet the design requirements of a wide variety of industry applications ranging from medical and industrial to marine and commercial electronics.

Bulgin’s push button switches are available in front and rear panel mounted versions with three profile types including prominent, domed and low profile as well as rugged stainless steel anti vandal options.

Multiple switching options are available along with IP66, IP67 & IP68 sealed variants in addition to momentary and latching actuation. Illumination versions are available in dot and ring LED indication and a selection of illuminating colours, including bi-colour and tri-colour. Newer versions also feature LED illumination driven by 6V, 12V and 24V together with rear of panel sealing.

Bulgin switch1
Bulgin switch2
Bulgin switch3
Bulgin switch4

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

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

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May 28, 2025

Eaton Moeller Series - PLS4 xPole Miniature Circuit Breaker

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PLS4 xPole Miniature Circuit Breaker

Moelleer pls4 pic

The PLS4 miniature circuit breaker from the xPole series is a protective device equipped with both a thermal and an electromagnetic release that is available in 1-, 2-, 3-, 4- and 3+N pole versions. The PLS4 is compatible with AC and DC applications up to 48 V with rated currents from 0.16 A to 63 A and is available with tripping characteristics B and C. The switching capacity is 4.5 kA.

Core Features

Moelleer pls4 features

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

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

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