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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
UK Next Day Delivery
Expert Advice
No Min Order Charges
Technical Support
Flexible Payment Terms
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 7, 2025

Wieland gesis® MINI Installation Connector

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Wieland mini pic

GESIS MINI meets the highest standards for plug-in electrical installations to provide maximum efficiency, reliability, and flexibility.

This installation connector system combines minimum dimensions with maximum flexibility. The gesis® MINI is ideal as a space-saving electrical installation system as well as for connections inside equipment or as an equipment connector – both outside and inside fixed installations.

A True All-Rounder:

  • Suitable for use as installation material in fixed installations.
  • Suitable as an equipment connector in accordance with the requirements of the fixed installation.
  • Suitable as secure connection material inside electrical equipment
Wieland mini tech2
Wieland mini tech

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

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

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September 29, 2025

Finder OPTA 8A Series of Programmable Logic Relays

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